1997-04-26 17:21:57 +04:00
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/*
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* block.c --- iterate over all blocks in an inode
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*
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1997-04-29 20:15:03 +04:00
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* Copyright (C) 1993, 1994, 1995, 1996 Theodore Ts'o.
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*
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* %Begin-Header%
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* This file may be redistributed under the terms of the GNU Public
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* License.
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* %End-Header%
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1997-04-26 17:21:57 +04:00
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*/
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#include <stdio.h>
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#include <string.h>
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1997-08-11 03:07:40 +04:00
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#if HAVE_UNISTD_H
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1997-04-26 17:21:57 +04:00
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#include <unistd.h>
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1997-08-11 03:07:40 +04:00
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#endif
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1997-04-26 17:34:30 +04:00
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Many files:
inode.c (ext2fs_open_inode_scan): Initialize the group variables
so that we don't need to call get_next_blockgroup() the first
time around. Saves a bit of time, and prevents us from
needing to assign -1 to current_group (which is an unsigned
value).
icount.c (insert_icount_el): Cast the estimated number of inodes
from a float to an ino_t.
alloc.c, alloc_tables.c, badlbocks.c, bb_compat.c, bb_inode.c,
bitmaps.c, bitops.c, block.c, bmap.c, bmove.c, brel_ma.c,
check_desc.c, closefs.c, cmp_bitmaps.c, dblist.c,
dblist_dir.c, dir_iterate.c, dirblock.c, dupfs.c, expanddir.c,
ext2fs.h, fileio.c, freefs.c, get_pathname.c, getsize.c,
icount.c, initialize.c, inline.c, inode.c, irel_ma.c,
ismounted.c, link.c, lookup.c, mkdir.c, namei.c, native.c,
newdir.c, openfs.c, read_bb.c, read_bb_file.c, rs_bitmap.c,
rw_bitmaps.c, swapfs.c, test_io.c, tst_badblocks.c,
tst_getsize.c, tst_iscan.c, unix_io.c, unlink.c, valid_blk.c,
version.c: If EXT2_FLAT_INCLUDES is defined, then assume all
of the ext2-specific header files are in a flat directory.
block.c, bmove.c, dirblock.c, fileio.c: Explicitly cast
all assignments from void * to be compatible with C++.
closefs.c (ext2fs_flush): Add a call to io_channel_flush() to
make sure the contents of the disk are flushed to disk.
dblist.c (ext2fs_add_dir_block): Change new to be new_entry to
avoid C++ namespace clash.
bitmaps.c (ext2fs_copy_bitmap): Change new to be new_map to
avoid C++ namespace clash.
ext2fs.h, bb_inode.c, block.c, bmove.c, brel.h, brel_ma.c,
irel.h, irel_ma.c, dblist.c, dblist_dir.c, dir_iterate.c,
ext2fsP.h, expanddir.c, get_pathname.c, inode.c, link.c,
unlink.c: Change private to be priv_data (to avoid C++
namespace clash)
1998-01-19 17:47:53 +03:00
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#include "ext2_fs.h"
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1997-04-26 17:21:57 +04:00
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#include "ext2fs.h"
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struct block_context {
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ext2_filsys fs;
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int (*func)(ext2_filsys fs,
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blk_t *blocknr,
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1998-06-11 00:39:43 +04:00
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e2_blkcnt_t bcount,
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1997-04-29 20:15:03 +04:00
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blk_t ref_blk,
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int ref_offset,
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Many files:
inode.c (ext2fs_open_inode_scan): Initialize the group variables
so that we don't need to call get_next_blockgroup() the first
time around. Saves a bit of time, and prevents us from
needing to assign -1 to current_group (which is an unsigned
value).
icount.c (insert_icount_el): Cast the estimated number of inodes
from a float to an ino_t.
alloc.c, alloc_tables.c, badlbocks.c, bb_compat.c, bb_inode.c,
bitmaps.c, bitops.c, block.c, bmap.c, bmove.c, brel_ma.c,
check_desc.c, closefs.c, cmp_bitmaps.c, dblist.c,
dblist_dir.c, dir_iterate.c, dirblock.c, dupfs.c, expanddir.c,
ext2fs.h, fileio.c, freefs.c, get_pathname.c, getsize.c,
icount.c, initialize.c, inline.c, inode.c, irel_ma.c,
ismounted.c, link.c, lookup.c, mkdir.c, namei.c, native.c,
newdir.c, openfs.c, read_bb.c, read_bb_file.c, rs_bitmap.c,
rw_bitmaps.c, swapfs.c, test_io.c, tst_badblocks.c,
tst_getsize.c, tst_iscan.c, unix_io.c, unlink.c, valid_blk.c,
version.c: If EXT2_FLAT_INCLUDES is defined, then assume all
of the ext2-specific header files are in a flat directory.
block.c, bmove.c, dirblock.c, fileio.c: Explicitly cast
all assignments from void * to be compatible with C++.
closefs.c (ext2fs_flush): Add a call to io_channel_flush() to
make sure the contents of the disk are flushed to disk.
dblist.c (ext2fs_add_dir_block): Change new to be new_entry to
avoid C++ namespace clash.
bitmaps.c (ext2fs_copy_bitmap): Change new to be new_map to
avoid C++ namespace clash.
ext2fs.h, bb_inode.c, block.c, bmove.c, brel.h, brel_ma.c,
irel.h, irel_ma.c, dblist.c, dblist_dir.c, dir_iterate.c,
ext2fsP.h, expanddir.c, get_pathname.c, inode.c, link.c,
unlink.c: Change private to be priv_data (to avoid C++
namespace clash)
1998-01-19 17:47:53 +03:00
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void *priv_data);
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1998-06-11 00:39:43 +04:00
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e2_blkcnt_t bcount;
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1997-04-26 17:21:57 +04:00
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int bsize;
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int flags;
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errcode_t errcode;
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char *ind_buf;
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char *dind_buf;
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char *tind_buf;
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Many files:
inode.c (ext2fs_open_inode_scan): Initialize the group variables
so that we don't need to call get_next_blockgroup() the first
time around. Saves a bit of time, and prevents us from
needing to assign -1 to current_group (which is an unsigned
value).
icount.c (insert_icount_el): Cast the estimated number of inodes
from a float to an ino_t.
alloc.c, alloc_tables.c, badlbocks.c, bb_compat.c, bb_inode.c,
bitmaps.c, bitops.c, block.c, bmap.c, bmove.c, brel_ma.c,
check_desc.c, closefs.c, cmp_bitmaps.c, dblist.c,
dblist_dir.c, dir_iterate.c, dirblock.c, dupfs.c, expanddir.c,
ext2fs.h, fileio.c, freefs.c, get_pathname.c, getsize.c,
icount.c, initialize.c, inline.c, inode.c, irel_ma.c,
ismounted.c, link.c, lookup.c, mkdir.c, namei.c, native.c,
newdir.c, openfs.c, read_bb.c, read_bb_file.c, rs_bitmap.c,
rw_bitmaps.c, swapfs.c, test_io.c, tst_badblocks.c,
tst_getsize.c, tst_iscan.c, unix_io.c, unlink.c, valid_blk.c,
version.c: If EXT2_FLAT_INCLUDES is defined, then assume all
of the ext2-specific header files are in a flat directory.
block.c, bmove.c, dirblock.c, fileio.c: Explicitly cast
all assignments from void * to be compatible with C++.
closefs.c (ext2fs_flush): Add a call to io_channel_flush() to
make sure the contents of the disk are flushed to disk.
dblist.c (ext2fs_add_dir_block): Change new to be new_entry to
avoid C++ namespace clash.
bitmaps.c (ext2fs_copy_bitmap): Change new to be new_map to
avoid C++ namespace clash.
ext2fs.h, bb_inode.c, block.c, bmove.c, brel.h, brel_ma.c,
irel.h, irel_ma.c, dblist.c, dblist_dir.c, dir_iterate.c,
ext2fsP.h, expanddir.c, get_pathname.c, inode.c, link.c,
unlink.c: Change private to be priv_data (to avoid C++
namespace clash)
1998-01-19 17:47:53 +03:00
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void *priv_data;
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1997-04-26 17:21:57 +04:00
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};
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1997-04-29 20:15:03 +04:00
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static int block_iterate_ind(blk_t *ind_block, blk_t ref_block,
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int ref_offset, struct block_context *ctx)
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1997-04-26 17:21:57 +04:00
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{
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int ret = 0, changed = 0;
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1997-04-29 20:15:03 +04:00
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int i, flags, limit, offset;
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1997-04-26 17:21:57 +04:00
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blk_t *block_nr;
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1997-04-30 01:26:48 +04:00
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limit = ctx->fs->blocksize >> 2;
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1997-04-29 18:53:37 +04:00
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if (!(ctx->flags & BLOCK_FLAG_DEPTH_TRAVERSE) &&
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!(ctx->flags & BLOCK_FLAG_DATA_ONLY))
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ret = (*ctx->func)(ctx->fs, ind_block,
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1997-04-29 20:15:03 +04:00
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BLOCK_COUNT_IND, ref_block,
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Many files:
inode.c (ext2fs_open_inode_scan): Initialize the group variables
so that we don't need to call get_next_blockgroup() the first
time around. Saves a bit of time, and prevents us from
needing to assign -1 to current_group (which is an unsigned
value).
icount.c (insert_icount_el): Cast the estimated number of inodes
from a float to an ino_t.
alloc.c, alloc_tables.c, badlbocks.c, bb_compat.c, bb_inode.c,
bitmaps.c, bitops.c, block.c, bmap.c, bmove.c, brel_ma.c,
check_desc.c, closefs.c, cmp_bitmaps.c, dblist.c,
dblist_dir.c, dir_iterate.c, dirblock.c, dupfs.c, expanddir.c,
ext2fs.h, fileio.c, freefs.c, get_pathname.c, getsize.c,
icount.c, initialize.c, inline.c, inode.c, irel_ma.c,
ismounted.c, link.c, lookup.c, mkdir.c, namei.c, native.c,
newdir.c, openfs.c, read_bb.c, read_bb_file.c, rs_bitmap.c,
rw_bitmaps.c, swapfs.c, test_io.c, tst_badblocks.c,
tst_getsize.c, tst_iscan.c, unix_io.c, unlink.c, valid_blk.c,
version.c: If EXT2_FLAT_INCLUDES is defined, then assume all
of the ext2-specific header files are in a flat directory.
block.c, bmove.c, dirblock.c, fileio.c: Explicitly cast
all assignments from void * to be compatible with C++.
closefs.c (ext2fs_flush): Add a call to io_channel_flush() to
make sure the contents of the disk are flushed to disk.
dblist.c (ext2fs_add_dir_block): Change new to be new_entry to
avoid C++ namespace clash.
bitmaps.c (ext2fs_copy_bitmap): Change new to be new_map to
avoid C++ namespace clash.
ext2fs.h, bb_inode.c, block.c, bmove.c, brel.h, brel_ma.c,
irel.h, irel_ma.c, dblist.c, dblist_dir.c, dir_iterate.c,
ext2fsP.h, expanddir.c, get_pathname.c, inode.c, link.c,
unlink.c: Change private to be priv_data (to avoid C++
namespace clash)
1998-01-19 17:47:53 +03:00
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ref_offset, ctx->priv_data);
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1997-04-30 01:26:48 +04:00
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if (!*ind_block || (ret & BLOCK_ABORT)) {
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ctx->bcount += limit;
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1997-04-26 17:21:57 +04:00
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return ret;
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1997-04-30 01:26:48 +04:00
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}
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1997-04-26 17:34:30 +04:00
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if (*ind_block >= ctx->fs->super->s_blocks_count ||
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*ind_block < ctx->fs->super->s_first_data_block) {
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ctx->errcode = EXT2_ET_BAD_IND_BLOCK;
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ret |= BLOCK_ERROR;
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return ret;
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}
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2005-01-06 08:04:24 +03:00
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ctx->errcode = ext2fs_read_ind_block(ctx->fs, *ind_block,
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ctx->ind_buf);
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1997-04-26 17:21:57 +04:00
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if (ctx->errcode) {
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ret |= BLOCK_ERROR;
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return ret;
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}
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2005-01-06 08:04:24 +03:00
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1997-04-26 17:58:21 +04:00
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block_nr = (blk_t *) ctx->ind_buf;
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1997-04-29 20:15:03 +04:00
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offset = 0;
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1997-04-26 17:58:21 +04:00
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if (ctx->flags & BLOCK_FLAG_APPEND) {
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for (i = 0; i < limit; i++, ctx->bcount++, block_nr++) {
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1997-04-26 17:21:57 +04:00
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flags = (*ctx->func)(ctx->fs, block_nr, ctx->bcount,
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1997-04-29 20:15:03 +04:00
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*ind_block, offset,
|
Many files:
inode.c (ext2fs_open_inode_scan): Initialize the group variables
so that we don't need to call get_next_blockgroup() the first
time around. Saves a bit of time, and prevents us from
needing to assign -1 to current_group (which is an unsigned
value).
icount.c (insert_icount_el): Cast the estimated number of inodes
from a float to an ino_t.
alloc.c, alloc_tables.c, badlbocks.c, bb_compat.c, bb_inode.c,
bitmaps.c, bitops.c, block.c, bmap.c, bmove.c, brel_ma.c,
check_desc.c, closefs.c, cmp_bitmaps.c, dblist.c,
dblist_dir.c, dir_iterate.c, dirblock.c, dupfs.c, expanddir.c,
ext2fs.h, fileio.c, freefs.c, get_pathname.c, getsize.c,
icount.c, initialize.c, inline.c, inode.c, irel_ma.c,
ismounted.c, link.c, lookup.c, mkdir.c, namei.c, native.c,
newdir.c, openfs.c, read_bb.c, read_bb_file.c, rs_bitmap.c,
rw_bitmaps.c, swapfs.c, test_io.c, tst_badblocks.c,
tst_getsize.c, tst_iscan.c, unix_io.c, unlink.c, valid_blk.c,
version.c: If EXT2_FLAT_INCLUDES is defined, then assume all
of the ext2-specific header files are in a flat directory.
block.c, bmove.c, dirblock.c, fileio.c: Explicitly cast
all assignments from void * to be compatible with C++.
closefs.c (ext2fs_flush): Add a call to io_channel_flush() to
make sure the contents of the disk are flushed to disk.
dblist.c (ext2fs_add_dir_block): Change new to be new_entry to
avoid C++ namespace clash.
bitmaps.c (ext2fs_copy_bitmap): Change new to be new_map to
avoid C++ namespace clash.
ext2fs.h, bb_inode.c, block.c, bmove.c, brel.h, brel_ma.c,
irel.h, irel_ma.c, dblist.c, dblist_dir.c, dir_iterate.c,
ext2fsP.h, expanddir.c, get_pathname.c, inode.c, link.c,
unlink.c: Change private to be priv_data (to avoid C++
namespace clash)
1998-01-19 17:47:53 +03:00
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ctx->priv_data);
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1997-04-26 17:58:21 +04:00
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changed |= flags;
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if (flags & BLOCK_ABORT) {
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ret |= BLOCK_ABORT;
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break;
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}
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1997-04-29 20:15:03 +04:00
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offset += sizeof(blk_t);
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1997-04-26 17:58:21 +04:00
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}
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} else {
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for (i = 0; i < limit; i++, ctx->bcount++, block_nr++) {
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if (*block_nr == 0)
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continue;
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flags = (*ctx->func)(ctx->fs, block_nr, ctx->bcount,
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1997-04-29 20:15:03 +04:00
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*ind_block, offset,
|
Many files:
inode.c (ext2fs_open_inode_scan): Initialize the group variables
so that we don't need to call get_next_blockgroup() the first
time around. Saves a bit of time, and prevents us from
needing to assign -1 to current_group (which is an unsigned
value).
icount.c (insert_icount_el): Cast the estimated number of inodes
from a float to an ino_t.
alloc.c, alloc_tables.c, badlbocks.c, bb_compat.c, bb_inode.c,
bitmaps.c, bitops.c, block.c, bmap.c, bmove.c, brel_ma.c,
check_desc.c, closefs.c, cmp_bitmaps.c, dblist.c,
dblist_dir.c, dir_iterate.c, dirblock.c, dupfs.c, expanddir.c,
ext2fs.h, fileio.c, freefs.c, get_pathname.c, getsize.c,
icount.c, initialize.c, inline.c, inode.c, irel_ma.c,
ismounted.c, link.c, lookup.c, mkdir.c, namei.c, native.c,
newdir.c, openfs.c, read_bb.c, read_bb_file.c, rs_bitmap.c,
rw_bitmaps.c, swapfs.c, test_io.c, tst_badblocks.c,
tst_getsize.c, tst_iscan.c, unix_io.c, unlink.c, valid_blk.c,
version.c: If EXT2_FLAT_INCLUDES is defined, then assume all
of the ext2-specific header files are in a flat directory.
block.c, bmove.c, dirblock.c, fileio.c: Explicitly cast
all assignments from void * to be compatible with C++.
closefs.c (ext2fs_flush): Add a call to io_channel_flush() to
make sure the contents of the disk are flushed to disk.
dblist.c (ext2fs_add_dir_block): Change new to be new_entry to
avoid C++ namespace clash.
bitmaps.c (ext2fs_copy_bitmap): Change new to be new_map to
avoid C++ namespace clash.
ext2fs.h, bb_inode.c, block.c, bmove.c, brel.h, brel_ma.c,
irel.h, irel_ma.c, dblist.c, dblist_dir.c, dir_iterate.c,
ext2fsP.h, expanddir.c, get_pathname.c, inode.c, link.c,
unlink.c: Change private to be priv_data (to avoid C++
namespace clash)
1998-01-19 17:47:53 +03:00
|
|
|
ctx->priv_data);
|
1997-04-26 17:58:21 +04:00
|
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|
changed |= flags;
|
1997-04-26 17:21:57 +04:00
|
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if (flags & BLOCK_ABORT) {
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ret |= BLOCK_ABORT;
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break;
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|
|
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}
|
1997-04-29 20:15:03 +04:00
|
|
|
offset += sizeof(blk_t);
|
1997-04-26 17:21:57 +04:00
|
|
|
}
|
|
|
|
}
|
2005-01-06 08:04:24 +03:00
|
|
|
if (changed & BLOCK_CHANGED) {
|
|
|
|
ctx->errcode = ext2fs_write_ind_block(ctx->fs, *ind_block,
|
|
|
|
ctx->ind_buf);
|
1997-04-26 17:21:57 +04:00
|
|
|
if (ctx->errcode)
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|
|
ret |= BLOCK_ERROR | BLOCK_ABORT;
|
|
|
|
}
|
|
|
|
if ((ctx->flags & BLOCK_FLAG_DEPTH_TRAVERSE) &&
|
1997-04-29 18:53:37 +04:00
|
|
|
!(ctx->flags & BLOCK_FLAG_DATA_ONLY) &&
|
1997-04-26 17:21:57 +04:00
|
|
|
!(ret & BLOCK_ABORT))
|
1997-04-29 18:53:37 +04:00
|
|
|
ret |= (*ctx->func)(ctx->fs, ind_block,
|
1997-04-29 20:15:03 +04:00
|
|
|
BLOCK_COUNT_IND, ref_block,
|
Many files:
inode.c (ext2fs_open_inode_scan): Initialize the group variables
so that we don't need to call get_next_blockgroup() the first
time around. Saves a bit of time, and prevents us from
needing to assign -1 to current_group (which is an unsigned
value).
icount.c (insert_icount_el): Cast the estimated number of inodes
from a float to an ino_t.
alloc.c, alloc_tables.c, badlbocks.c, bb_compat.c, bb_inode.c,
bitmaps.c, bitops.c, block.c, bmap.c, bmove.c, brel_ma.c,
check_desc.c, closefs.c, cmp_bitmaps.c, dblist.c,
dblist_dir.c, dir_iterate.c, dirblock.c, dupfs.c, expanddir.c,
ext2fs.h, fileio.c, freefs.c, get_pathname.c, getsize.c,
icount.c, initialize.c, inline.c, inode.c, irel_ma.c,
ismounted.c, link.c, lookup.c, mkdir.c, namei.c, native.c,
newdir.c, openfs.c, read_bb.c, read_bb_file.c, rs_bitmap.c,
rw_bitmaps.c, swapfs.c, test_io.c, tst_badblocks.c,
tst_getsize.c, tst_iscan.c, unix_io.c, unlink.c, valid_blk.c,
version.c: If EXT2_FLAT_INCLUDES is defined, then assume all
of the ext2-specific header files are in a flat directory.
block.c, bmove.c, dirblock.c, fileio.c: Explicitly cast
all assignments from void * to be compatible with C++.
closefs.c (ext2fs_flush): Add a call to io_channel_flush() to
make sure the contents of the disk are flushed to disk.
dblist.c (ext2fs_add_dir_block): Change new to be new_entry to
avoid C++ namespace clash.
bitmaps.c (ext2fs_copy_bitmap): Change new to be new_map to
avoid C++ namespace clash.
ext2fs.h, bb_inode.c, block.c, bmove.c, brel.h, brel_ma.c,
irel.h, irel_ma.c, dblist.c, dblist_dir.c, dir_iterate.c,
ext2fsP.h, expanddir.c, get_pathname.c, inode.c, link.c,
unlink.c: Change private to be priv_data (to avoid C++
namespace clash)
1998-01-19 17:47:53 +03:00
|
|
|
ref_offset, ctx->priv_data);
|
1997-04-26 17:21:57 +04:00
|
|
|
return ret;
|
|
|
|
}
|
|
|
|
|
1997-04-29 20:15:03 +04:00
|
|
|
static int block_iterate_dind(blk_t *dind_block, blk_t ref_block,
|
|
|
|
int ref_offset, struct block_context *ctx)
|
1997-04-26 17:21:57 +04:00
|
|
|
{
|
|
|
|
int ret = 0, changed = 0;
|
1997-04-29 20:15:03 +04:00
|
|
|
int i, flags, limit, offset;
|
1997-04-26 17:21:57 +04:00
|
|
|
blk_t *block_nr;
|
|
|
|
|
1997-04-30 01:26:48 +04:00
|
|
|
limit = ctx->fs->blocksize >> 2;
|
2000-04-03 17:51:00 +04:00
|
|
|
if (!(ctx->flags & (BLOCK_FLAG_DEPTH_TRAVERSE |
|
|
|
|
BLOCK_FLAG_DATA_ONLY)))
|
1997-04-29 18:53:37 +04:00
|
|
|
ret = (*ctx->func)(ctx->fs, dind_block,
|
1997-04-29 20:15:03 +04:00
|
|
|
BLOCK_COUNT_DIND, ref_block,
|
Many files:
inode.c (ext2fs_open_inode_scan): Initialize the group variables
so that we don't need to call get_next_blockgroup() the first
time around. Saves a bit of time, and prevents us from
needing to assign -1 to current_group (which is an unsigned
value).
icount.c (insert_icount_el): Cast the estimated number of inodes
from a float to an ino_t.
alloc.c, alloc_tables.c, badlbocks.c, bb_compat.c, bb_inode.c,
bitmaps.c, bitops.c, block.c, bmap.c, bmove.c, brel_ma.c,
check_desc.c, closefs.c, cmp_bitmaps.c, dblist.c,
dblist_dir.c, dir_iterate.c, dirblock.c, dupfs.c, expanddir.c,
ext2fs.h, fileio.c, freefs.c, get_pathname.c, getsize.c,
icount.c, initialize.c, inline.c, inode.c, irel_ma.c,
ismounted.c, link.c, lookup.c, mkdir.c, namei.c, native.c,
newdir.c, openfs.c, read_bb.c, read_bb_file.c, rs_bitmap.c,
rw_bitmaps.c, swapfs.c, test_io.c, tst_badblocks.c,
tst_getsize.c, tst_iscan.c, unix_io.c, unlink.c, valid_blk.c,
version.c: If EXT2_FLAT_INCLUDES is defined, then assume all
of the ext2-specific header files are in a flat directory.
block.c, bmove.c, dirblock.c, fileio.c: Explicitly cast
all assignments from void * to be compatible with C++.
closefs.c (ext2fs_flush): Add a call to io_channel_flush() to
make sure the contents of the disk are flushed to disk.
dblist.c (ext2fs_add_dir_block): Change new to be new_entry to
avoid C++ namespace clash.
bitmaps.c (ext2fs_copy_bitmap): Change new to be new_map to
avoid C++ namespace clash.
ext2fs.h, bb_inode.c, block.c, bmove.c, brel.h, brel_ma.c,
irel.h, irel_ma.c, dblist.c, dblist_dir.c, dir_iterate.c,
ext2fsP.h, expanddir.c, get_pathname.c, inode.c, link.c,
unlink.c: Change private to be priv_data (to avoid C++
namespace clash)
1998-01-19 17:47:53 +03:00
|
|
|
ref_offset, ctx->priv_data);
|
1997-04-30 01:26:48 +04:00
|
|
|
if (!*dind_block || (ret & BLOCK_ABORT)) {
|
|
|
|
ctx->bcount += limit*limit;
|
1997-04-26 17:21:57 +04:00
|
|
|
return ret;
|
1997-04-30 01:26:48 +04:00
|
|
|
}
|
1997-04-26 17:34:30 +04:00
|
|
|
if (*dind_block >= ctx->fs->super->s_blocks_count ||
|
|
|
|
*dind_block < ctx->fs->super->s_first_data_block) {
|
|
|
|
ctx->errcode = EXT2_ET_BAD_DIND_BLOCK;
|
|
|
|
ret |= BLOCK_ERROR;
|
|
|
|
return ret;
|
|
|
|
}
|
2005-01-06 08:04:24 +03:00
|
|
|
ctx->errcode = ext2fs_read_ind_block(ctx->fs, *dind_block,
|
|
|
|
ctx->dind_buf);
|
1997-04-26 17:21:57 +04:00
|
|
|
if (ctx->errcode) {
|
|
|
|
ret |= BLOCK_ERROR;
|
|
|
|
return ret;
|
|
|
|
}
|
2005-01-06 08:04:24 +03:00
|
|
|
|
1997-04-26 17:58:21 +04:00
|
|
|
block_nr = (blk_t *) ctx->dind_buf;
|
1997-04-29 20:15:03 +04:00
|
|
|
offset = 0;
|
1997-04-26 17:58:21 +04:00
|
|
|
if (ctx->flags & BLOCK_FLAG_APPEND) {
|
|
|
|
for (i = 0; i < limit; i++, block_nr++) {
|
1997-04-29 20:15:03 +04:00
|
|
|
flags = block_iterate_ind(block_nr,
|
|
|
|
*dind_block, offset,
|
|
|
|
ctx);
|
1997-04-26 17:58:21 +04:00
|
|
|
changed |= flags;
|
|
|
|
if (flags & (BLOCK_ABORT | BLOCK_ERROR)) {
|
|
|
|
ret |= flags & (BLOCK_ABORT | BLOCK_ERROR);
|
|
|
|
break;
|
|
|
|
}
|
1997-04-29 20:15:03 +04:00
|
|
|
offset += sizeof(blk_t);
|
1997-04-26 17:58:21 +04:00
|
|
|
}
|
|
|
|
} else {
|
|
|
|
for (i = 0; i < limit; i++, block_nr++) {
|
1997-04-30 01:26:48 +04:00
|
|
|
if (*block_nr == 0) {
|
|
|
|
ctx->bcount += limit;
|
1997-04-26 17:58:21 +04:00
|
|
|
continue;
|
1997-04-30 01:26:48 +04:00
|
|
|
}
|
1997-04-29 20:15:03 +04:00
|
|
|
flags = block_iterate_ind(block_nr,
|
|
|
|
*dind_block, offset,
|
|
|
|
ctx);
|
1997-04-26 17:58:21 +04:00
|
|
|
changed |= flags;
|
1997-04-26 17:21:57 +04:00
|
|
|
if (flags & (BLOCK_ABORT | BLOCK_ERROR)) {
|
|
|
|
ret |= flags & (BLOCK_ABORT | BLOCK_ERROR);
|
|
|
|
break;
|
|
|
|
}
|
1997-04-29 20:15:03 +04:00
|
|
|
offset += sizeof(blk_t);
|
1997-04-26 17:21:57 +04:00
|
|
|
}
|
|
|
|
}
|
2005-01-06 08:04:24 +03:00
|
|
|
if (changed & BLOCK_CHANGED) {
|
|
|
|
ctx->errcode = ext2fs_write_ind_block(ctx->fs, *dind_block,
|
|
|
|
ctx->dind_buf);
|
1997-04-26 17:21:57 +04:00
|
|
|
if (ctx->errcode)
|
|
|
|
ret |= BLOCK_ERROR | BLOCK_ABORT;
|
|
|
|
}
|
|
|
|
if ((ctx->flags & BLOCK_FLAG_DEPTH_TRAVERSE) &&
|
1997-04-29 18:53:37 +04:00
|
|
|
!(ctx->flags & BLOCK_FLAG_DATA_ONLY) &&
|
1997-04-26 17:21:57 +04:00
|
|
|
!(ret & BLOCK_ABORT))
|
1997-04-29 18:53:37 +04:00
|
|
|
ret |= (*ctx->func)(ctx->fs, dind_block,
|
1997-04-29 20:15:03 +04:00
|
|
|
BLOCK_COUNT_DIND, ref_block,
|
Many files:
inode.c (ext2fs_open_inode_scan): Initialize the group variables
so that we don't need to call get_next_blockgroup() the first
time around. Saves a bit of time, and prevents us from
needing to assign -1 to current_group (which is an unsigned
value).
icount.c (insert_icount_el): Cast the estimated number of inodes
from a float to an ino_t.
alloc.c, alloc_tables.c, badlbocks.c, bb_compat.c, bb_inode.c,
bitmaps.c, bitops.c, block.c, bmap.c, bmove.c, brel_ma.c,
check_desc.c, closefs.c, cmp_bitmaps.c, dblist.c,
dblist_dir.c, dir_iterate.c, dirblock.c, dupfs.c, expanddir.c,
ext2fs.h, fileio.c, freefs.c, get_pathname.c, getsize.c,
icount.c, initialize.c, inline.c, inode.c, irel_ma.c,
ismounted.c, link.c, lookup.c, mkdir.c, namei.c, native.c,
newdir.c, openfs.c, read_bb.c, read_bb_file.c, rs_bitmap.c,
rw_bitmaps.c, swapfs.c, test_io.c, tst_badblocks.c,
tst_getsize.c, tst_iscan.c, unix_io.c, unlink.c, valid_blk.c,
version.c: If EXT2_FLAT_INCLUDES is defined, then assume all
of the ext2-specific header files are in a flat directory.
block.c, bmove.c, dirblock.c, fileio.c: Explicitly cast
all assignments from void * to be compatible with C++.
closefs.c (ext2fs_flush): Add a call to io_channel_flush() to
make sure the contents of the disk are flushed to disk.
dblist.c (ext2fs_add_dir_block): Change new to be new_entry to
avoid C++ namespace clash.
bitmaps.c (ext2fs_copy_bitmap): Change new to be new_map to
avoid C++ namespace clash.
ext2fs.h, bb_inode.c, block.c, bmove.c, brel.h, brel_ma.c,
irel.h, irel_ma.c, dblist.c, dblist_dir.c, dir_iterate.c,
ext2fsP.h, expanddir.c, get_pathname.c, inode.c, link.c,
unlink.c: Change private to be priv_data (to avoid C++
namespace clash)
1998-01-19 17:47:53 +03:00
|
|
|
ref_offset, ctx->priv_data);
|
1997-04-26 17:21:57 +04:00
|
|
|
return ret;
|
|
|
|
}
|
|
|
|
|
1997-04-29 20:15:03 +04:00
|
|
|
static int block_iterate_tind(blk_t *tind_block, blk_t ref_block,
|
|
|
|
int ref_offset, struct block_context *ctx)
|
1997-04-26 17:21:57 +04:00
|
|
|
{
|
|
|
|
int ret = 0, changed = 0;
|
1997-04-29 20:15:03 +04:00
|
|
|
int i, flags, limit, offset;
|
1997-04-26 17:21:57 +04:00
|
|
|
blk_t *block_nr;
|
|
|
|
|
1997-04-30 01:26:48 +04:00
|
|
|
limit = ctx->fs->blocksize >> 2;
|
2000-04-03 17:51:00 +04:00
|
|
|
if (!(ctx->flags & (BLOCK_FLAG_DEPTH_TRAVERSE |
|
|
|
|
BLOCK_FLAG_DATA_ONLY)))
|
1997-04-29 18:53:37 +04:00
|
|
|
ret = (*ctx->func)(ctx->fs, tind_block,
|
1997-04-29 20:15:03 +04:00
|
|
|
BLOCK_COUNT_TIND, ref_block,
|
Many files:
inode.c (ext2fs_open_inode_scan): Initialize the group variables
so that we don't need to call get_next_blockgroup() the first
time around. Saves a bit of time, and prevents us from
needing to assign -1 to current_group (which is an unsigned
value).
icount.c (insert_icount_el): Cast the estimated number of inodes
from a float to an ino_t.
alloc.c, alloc_tables.c, badlbocks.c, bb_compat.c, bb_inode.c,
bitmaps.c, bitops.c, block.c, bmap.c, bmove.c, brel_ma.c,
check_desc.c, closefs.c, cmp_bitmaps.c, dblist.c,
dblist_dir.c, dir_iterate.c, dirblock.c, dupfs.c, expanddir.c,
ext2fs.h, fileio.c, freefs.c, get_pathname.c, getsize.c,
icount.c, initialize.c, inline.c, inode.c, irel_ma.c,
ismounted.c, link.c, lookup.c, mkdir.c, namei.c, native.c,
newdir.c, openfs.c, read_bb.c, read_bb_file.c, rs_bitmap.c,
rw_bitmaps.c, swapfs.c, test_io.c, tst_badblocks.c,
tst_getsize.c, tst_iscan.c, unix_io.c, unlink.c, valid_blk.c,
version.c: If EXT2_FLAT_INCLUDES is defined, then assume all
of the ext2-specific header files are in a flat directory.
block.c, bmove.c, dirblock.c, fileio.c: Explicitly cast
all assignments from void * to be compatible with C++.
closefs.c (ext2fs_flush): Add a call to io_channel_flush() to
make sure the contents of the disk are flushed to disk.
dblist.c (ext2fs_add_dir_block): Change new to be new_entry to
avoid C++ namespace clash.
bitmaps.c (ext2fs_copy_bitmap): Change new to be new_map to
avoid C++ namespace clash.
ext2fs.h, bb_inode.c, block.c, bmove.c, brel.h, brel_ma.c,
irel.h, irel_ma.c, dblist.c, dblist_dir.c, dir_iterate.c,
ext2fsP.h, expanddir.c, get_pathname.c, inode.c, link.c,
unlink.c: Change private to be priv_data (to avoid C++
namespace clash)
1998-01-19 17:47:53 +03:00
|
|
|
ref_offset, ctx->priv_data);
|
1997-04-30 01:26:48 +04:00
|
|
|
if (!*tind_block || (ret & BLOCK_ABORT)) {
|
|
|
|
ctx->bcount += limit*limit*limit;
|
1997-04-26 17:21:57 +04:00
|
|
|
return ret;
|
1997-04-30 01:26:48 +04:00
|
|
|
}
|
1997-04-26 17:34:30 +04:00
|
|
|
if (*tind_block >= ctx->fs->super->s_blocks_count ||
|
|
|
|
*tind_block < ctx->fs->super->s_first_data_block) {
|
|
|
|
ctx->errcode = EXT2_ET_BAD_TIND_BLOCK;
|
|
|
|
ret |= BLOCK_ERROR;
|
|
|
|
return ret;
|
|
|
|
}
|
2005-01-06 08:04:24 +03:00
|
|
|
ctx->errcode = ext2fs_read_ind_block(ctx->fs, *tind_block,
|
|
|
|
ctx->tind_buf);
|
1997-04-26 17:21:57 +04:00
|
|
|
if (ctx->errcode) {
|
|
|
|
ret |= BLOCK_ERROR;
|
|
|
|
return ret;
|
|
|
|
}
|
2005-01-06 08:04:24 +03:00
|
|
|
|
1997-04-26 17:58:21 +04:00
|
|
|
block_nr = (blk_t *) ctx->tind_buf;
|
1997-04-29 20:15:03 +04:00
|
|
|
offset = 0;
|
1997-04-26 17:58:21 +04:00
|
|
|
if (ctx->flags & BLOCK_FLAG_APPEND) {
|
|
|
|
for (i = 0; i < limit; i++, block_nr++) {
|
1997-04-29 20:15:03 +04:00
|
|
|
flags = block_iterate_dind(block_nr,
|
|
|
|
*tind_block,
|
|
|
|
offset, ctx);
|
1997-04-26 17:58:21 +04:00
|
|
|
changed |= flags;
|
|
|
|
if (flags & (BLOCK_ABORT | BLOCK_ERROR)) {
|
|
|
|
ret |= flags & (BLOCK_ABORT | BLOCK_ERROR);
|
|
|
|
break;
|
|
|
|
}
|
1997-04-29 20:15:03 +04:00
|
|
|
offset += sizeof(blk_t);
|
1997-04-26 17:58:21 +04:00
|
|
|
}
|
|
|
|
} else {
|
|
|
|
for (i = 0; i < limit; i++, block_nr++) {
|
1997-04-30 01:26:48 +04:00
|
|
|
if (*block_nr == 0) {
|
|
|
|
ctx->bcount += limit*limit;
|
1997-04-26 17:58:21 +04:00
|
|
|
continue;
|
1997-04-30 01:26:48 +04:00
|
|
|
}
|
1997-04-29 20:15:03 +04:00
|
|
|
flags = block_iterate_dind(block_nr,
|
|
|
|
*tind_block,
|
|
|
|
offset, ctx);
|
1997-04-26 17:58:21 +04:00
|
|
|
changed |= flags;
|
1997-04-26 17:21:57 +04:00
|
|
|
if (flags & (BLOCK_ABORT | BLOCK_ERROR)) {
|
|
|
|
ret |= flags & (BLOCK_ABORT | BLOCK_ERROR);
|
|
|
|
break;
|
|
|
|
}
|
1997-04-29 20:15:03 +04:00
|
|
|
offset += sizeof(blk_t);
|
1997-04-26 17:21:57 +04:00
|
|
|
}
|
|
|
|
}
|
2005-01-06 08:04:24 +03:00
|
|
|
if (changed & BLOCK_CHANGED) {
|
|
|
|
ctx->errcode = ext2fs_write_ind_block(ctx->fs, *tind_block,
|
|
|
|
ctx->tind_buf);
|
1997-04-26 17:21:57 +04:00
|
|
|
if (ctx->errcode)
|
|
|
|
ret |= BLOCK_ERROR | BLOCK_ABORT;
|
|
|
|
}
|
|
|
|
if ((ctx->flags & BLOCK_FLAG_DEPTH_TRAVERSE) &&
|
1997-04-29 18:53:37 +04:00
|
|
|
!(ctx->flags & BLOCK_FLAG_DATA_ONLY) &&
|
1997-04-26 17:21:57 +04:00
|
|
|
!(ret & BLOCK_ABORT))
|
1997-04-29 18:53:37 +04:00
|
|
|
ret |= (*ctx->func)(ctx->fs, tind_block,
|
1997-04-29 20:15:03 +04:00
|
|
|
BLOCK_COUNT_TIND, ref_block,
|
Many files:
inode.c (ext2fs_open_inode_scan): Initialize the group variables
so that we don't need to call get_next_blockgroup() the first
time around. Saves a bit of time, and prevents us from
needing to assign -1 to current_group (which is an unsigned
value).
icount.c (insert_icount_el): Cast the estimated number of inodes
from a float to an ino_t.
alloc.c, alloc_tables.c, badlbocks.c, bb_compat.c, bb_inode.c,
bitmaps.c, bitops.c, block.c, bmap.c, bmove.c, brel_ma.c,
check_desc.c, closefs.c, cmp_bitmaps.c, dblist.c,
dblist_dir.c, dir_iterate.c, dirblock.c, dupfs.c, expanddir.c,
ext2fs.h, fileio.c, freefs.c, get_pathname.c, getsize.c,
icount.c, initialize.c, inline.c, inode.c, irel_ma.c,
ismounted.c, link.c, lookup.c, mkdir.c, namei.c, native.c,
newdir.c, openfs.c, read_bb.c, read_bb_file.c, rs_bitmap.c,
rw_bitmaps.c, swapfs.c, test_io.c, tst_badblocks.c,
tst_getsize.c, tst_iscan.c, unix_io.c, unlink.c, valid_blk.c,
version.c: If EXT2_FLAT_INCLUDES is defined, then assume all
of the ext2-specific header files are in a flat directory.
block.c, bmove.c, dirblock.c, fileio.c: Explicitly cast
all assignments from void * to be compatible with C++.
closefs.c (ext2fs_flush): Add a call to io_channel_flush() to
make sure the contents of the disk are flushed to disk.
dblist.c (ext2fs_add_dir_block): Change new to be new_entry to
avoid C++ namespace clash.
bitmaps.c (ext2fs_copy_bitmap): Change new to be new_map to
avoid C++ namespace clash.
ext2fs.h, bb_inode.c, block.c, bmove.c, brel.h, brel_ma.c,
irel.h, irel_ma.c, dblist.c, dblist_dir.c, dir_iterate.c,
ext2fsP.h, expanddir.c, get_pathname.c, inode.c, link.c,
unlink.c: Change private to be priv_data (to avoid C++
namespace clash)
1998-01-19 17:47:53 +03:00
|
|
|
ref_offset, ctx->priv_data);
|
1997-04-26 17:21:57 +04:00
|
|
|
|
|
|
|
return ret;
|
|
|
|
}
|
|
|
|
|
Many files:
block.c (ext2fs_block_iterate3): Make the ref_offset field contain the
offset into the inode.i_blocks array when ref_block is zero. Since we
haven't done a formal release of e2fsprogs since block_iterate2 was
first introduced, I removed block_iterate2, and renamed block_iterate3
to be block_iterate2.
bb_inode.c, bmove.c, dblist_dir.c, dir_iterate.c, expanddir.c,
ext2fs.h, ext2fsP.h, read_bb.c: Change use of block_iterate and
block_iterate2 to block_iterate2 with the new prototype for the
interator function. (using blkcnt_t forr blockcount)
ChangeLog, debugfs.c, ls.c, lsdel.c:
debugfs.c, ls.c, lsdel.c: Add support for large files. (The high 32
bits share space with the i_dir_acl field.)
1998-03-24 19:17:51 +03:00
|
|
|
errcode_t ext2fs_block_iterate2(ext2_filsys fs,
|
Many files:
alloc.c, bb_inode.c, bitmaps.c, bitops.h, block.c, bmap.c, bmove.c,
brel.h, cmp_bitmaps.c, dblist.c, dblist_dir.c, dir_iterate.c,
expanddir.c, ext2fs.h, ext2fsP.h, fileio.c, finddev.c, get_pathname.c,
icount.c, inode.c, irel.h, irel_ma.c, ismounted.c, link.c, lookup.c,
mkdir.c, mkjournal.c, namei.c, newdir.c, read_bb_file.c, test_io.c,
tst_iscan.c, unix_io.c, unlink.c: Change use of ino_t to ext2_ino_t,
to protect applications that attempt to compile
-D_FILE_OFFSET_BITS=64, since this inexplicably changes ino_t(!?). So
we use ext2_ino_t to avoid an unexpected ABI change.
2001-01-11 07:54:39 +03:00
|
|
|
ext2_ino_t ino,
|
1997-04-29 20:15:03 +04:00
|
|
|
int flags,
|
|
|
|
char *block_buf,
|
|
|
|
int (*func)(ext2_filsys fs,
|
|
|
|
blk_t *blocknr,
|
1998-06-11 00:39:43 +04:00
|
|
|
e2_blkcnt_t blockcnt,
|
1997-04-29 20:15:03 +04:00
|
|
|
blk_t ref_blk,
|
|
|
|
int ref_offset,
|
Many files:
inode.c (ext2fs_open_inode_scan): Initialize the group variables
so that we don't need to call get_next_blockgroup() the first
time around. Saves a bit of time, and prevents us from
needing to assign -1 to current_group (which is an unsigned
value).
icount.c (insert_icount_el): Cast the estimated number of inodes
from a float to an ino_t.
alloc.c, alloc_tables.c, badlbocks.c, bb_compat.c, bb_inode.c,
bitmaps.c, bitops.c, block.c, bmap.c, bmove.c, brel_ma.c,
check_desc.c, closefs.c, cmp_bitmaps.c, dblist.c,
dblist_dir.c, dir_iterate.c, dirblock.c, dupfs.c, expanddir.c,
ext2fs.h, fileio.c, freefs.c, get_pathname.c, getsize.c,
icount.c, initialize.c, inline.c, inode.c, irel_ma.c,
ismounted.c, link.c, lookup.c, mkdir.c, namei.c, native.c,
newdir.c, openfs.c, read_bb.c, read_bb_file.c, rs_bitmap.c,
rw_bitmaps.c, swapfs.c, test_io.c, tst_badblocks.c,
tst_getsize.c, tst_iscan.c, unix_io.c, unlink.c, valid_blk.c,
version.c: If EXT2_FLAT_INCLUDES is defined, then assume all
of the ext2-specific header files are in a flat directory.
block.c, bmove.c, dirblock.c, fileio.c: Explicitly cast
all assignments from void * to be compatible with C++.
closefs.c (ext2fs_flush): Add a call to io_channel_flush() to
make sure the contents of the disk are flushed to disk.
dblist.c (ext2fs_add_dir_block): Change new to be new_entry to
avoid C++ namespace clash.
bitmaps.c (ext2fs_copy_bitmap): Change new to be new_map to
avoid C++ namespace clash.
ext2fs.h, bb_inode.c, block.c, bmove.c, brel.h, brel_ma.c,
irel.h, irel_ma.c, dblist.c, dblist_dir.c, dir_iterate.c,
ext2fsP.h, expanddir.c, get_pathname.c, inode.c, link.c,
unlink.c: Change private to be priv_data (to avoid C++
namespace clash)
1998-01-19 17:47:53 +03:00
|
|
|
void *priv_data),
|
|
|
|
void *priv_data)
|
1997-04-26 17:21:57 +04:00
|
|
|
{
|
|
|
|
int i;
|
1997-04-29 18:53:37 +04:00
|
|
|
int got_inode = 0;
|
1997-04-26 17:21:57 +04:00
|
|
|
int ret = 0;
|
|
|
|
blk_t blocks[EXT2_N_BLOCKS]; /* directory data blocks */
|
|
|
|
struct ext2_inode inode;
|
|
|
|
errcode_t retval;
|
1997-04-29 20:15:03 +04:00
|
|
|
struct block_context ctx;
|
Many files:
ext2fs.h: Add new superblock fields (s_algorithm_usage_bitmap,
s_prealloc_blocks, s_prealloc_dir_blocks). Added conditional defines
of new features COMPAT_DIR_PREALLOC, RO_COMPAT_LARGE_FILE
RO_COMPAT_BTREE_DIR, INCOMPAT_COMPRESSION, INCOMPAT_DIRNAME_SIZE.
Changed the library to declare that we support COMPAT_DIR_PREALLOC,
INCOMPAT_DIRNAME_SIZE, RO_COMPAT_LARGE_FILE.
fileio.c: Rename function ext2fs_file_llseek to be ext2fs_file_lseek,
which is more accurate.
block.c: Add new function ext2fs_block_iterate3 which calls the
iterator function with the blockcount argument of type blkcnt_t. This
version of the function is allowed to handle large files; the other
fucntions are not.
ext2fs.h: Add new type blkcnt_t
ext2_err.et.in: Add error code EXT2_ET_FILE_TOO_BIG
block.c (ext2fs_block_iterate2): Fix bug where the block count field
wasn't getting correctly incremented for sparse files when the
indirect or doubly-indirect block specified in the inode was zero.
unlink.c (unlink_proc):
lookup.c (lookup_proc):
link.c (link_proc):
get_pathname.c (get_pathname_proc):
dir_iterate.c (ext2fs_process_dir_block): Mask off high 8 bits from
dirent->name_len, so it can be used for other purposes.
ext2fs.h: Add definition of EXT2_FEATURE_INCOMPAT_DIRNAME_SIZE, and
indicate that we have support for this incompatible option.
1998-03-23 05:06:52 +03:00
|
|
|
int limit;
|
1997-04-29 20:15:03 +04:00
|
|
|
|
1997-04-26 17:34:30 +04:00
|
|
|
EXT2_CHECK_MAGIC(fs, EXT2_ET_MAGIC_EXT2FS_FILSYS);
|
|
|
|
|
Many files:
ext2fs.h: Add new superblock fields (s_algorithm_usage_bitmap,
s_prealloc_blocks, s_prealloc_dir_blocks). Added conditional defines
of new features COMPAT_DIR_PREALLOC, RO_COMPAT_LARGE_FILE
RO_COMPAT_BTREE_DIR, INCOMPAT_COMPRESSION, INCOMPAT_DIRNAME_SIZE.
Changed the library to declare that we support COMPAT_DIR_PREALLOC,
INCOMPAT_DIRNAME_SIZE, RO_COMPAT_LARGE_FILE.
fileio.c: Rename function ext2fs_file_llseek to be ext2fs_file_lseek,
which is more accurate.
block.c: Add new function ext2fs_block_iterate3 which calls the
iterator function with the blockcount argument of type blkcnt_t. This
version of the function is allowed to handle large files; the other
fucntions are not.
ext2fs.h: Add new type blkcnt_t
ext2_err.et.in: Add error code EXT2_ET_FILE_TOO_BIG
block.c (ext2fs_block_iterate2): Fix bug where the block count field
wasn't getting correctly incremented for sparse files when the
indirect or doubly-indirect block specified in the inode was zero.
unlink.c (unlink_proc):
lookup.c (lookup_proc):
link.c (link_proc):
get_pathname.c (get_pathname_proc):
dir_iterate.c (ext2fs_process_dir_block): Mask off high 8 bits from
dirent->name_len, so it can be used for other purposes.
ext2fs.h: Add definition of EXT2_FEATURE_INCOMPAT_DIRNAME_SIZE, and
indicate that we have support for this incompatible option.
1998-03-23 05:06:52 +03:00
|
|
|
/*
|
|
|
|
* Check to see if we need to limit large files
|
|
|
|
*/
|
|
|
|
if (flags & BLOCK_FLAG_NO_LARGE) {
|
|
|
|
ctx.errcode = ext2fs_read_inode(fs, ino, &inode);
|
|
|
|
if (ctx.errcode)
|
1998-09-03 05:22:57 +04:00
|
|
|
return ctx.errcode;
|
Many files:
ext2fs.h: Add new superblock fields (s_algorithm_usage_bitmap,
s_prealloc_blocks, s_prealloc_dir_blocks). Added conditional defines
of new features COMPAT_DIR_PREALLOC, RO_COMPAT_LARGE_FILE
RO_COMPAT_BTREE_DIR, INCOMPAT_COMPRESSION, INCOMPAT_DIRNAME_SIZE.
Changed the library to declare that we support COMPAT_DIR_PREALLOC,
INCOMPAT_DIRNAME_SIZE, RO_COMPAT_LARGE_FILE.
fileio.c: Rename function ext2fs_file_llseek to be ext2fs_file_lseek,
which is more accurate.
block.c: Add new function ext2fs_block_iterate3 which calls the
iterator function with the blockcount argument of type blkcnt_t. This
version of the function is allowed to handle large files; the other
fucntions are not.
ext2fs.h: Add new type blkcnt_t
ext2_err.et.in: Add error code EXT2_ET_FILE_TOO_BIG
block.c (ext2fs_block_iterate2): Fix bug where the block count field
wasn't getting correctly incremented for sparse files when the
indirect or doubly-indirect block specified in the inode was zero.
unlink.c (unlink_proc):
lookup.c (lookup_proc):
link.c (link_proc):
get_pathname.c (get_pathname_proc):
dir_iterate.c (ext2fs_process_dir_block): Mask off high 8 bits from
dirent->name_len, so it can be used for other purposes.
ext2fs.h: Add definition of EXT2_FEATURE_INCOMPAT_DIRNAME_SIZE, and
indicate that we have support for this incompatible option.
1998-03-23 05:06:52 +03:00
|
|
|
got_inode = 1;
|
|
|
|
if (!LINUX_S_ISDIR(inode.i_mode) &&
|
|
|
|
(inode.i_size_high != 0))
|
|
|
|
return EXT2_ET_FILE_TOO_BIG;
|
|
|
|
}
|
|
|
|
|
1997-08-11 03:07:40 +04:00
|
|
|
retval = ext2fs_get_blocks(fs, ino, blocks);
|
|
|
|
if (retval)
|
|
|
|
return retval;
|
1997-04-26 17:21:57 +04:00
|
|
|
|
Many files:
ext2fs.h: Add new superblock fields (s_algorithm_usage_bitmap,
s_prealloc_blocks, s_prealloc_dir_blocks). Added conditional defines
of new features COMPAT_DIR_PREALLOC, RO_COMPAT_LARGE_FILE
RO_COMPAT_BTREE_DIR, INCOMPAT_COMPRESSION, INCOMPAT_DIRNAME_SIZE.
Changed the library to declare that we support COMPAT_DIR_PREALLOC,
INCOMPAT_DIRNAME_SIZE, RO_COMPAT_LARGE_FILE.
fileio.c: Rename function ext2fs_file_llseek to be ext2fs_file_lseek,
which is more accurate.
block.c: Add new function ext2fs_block_iterate3 which calls the
iterator function with the blockcount argument of type blkcnt_t. This
version of the function is allowed to handle large files; the other
fucntions are not.
ext2fs.h: Add new type blkcnt_t
ext2_err.et.in: Add error code EXT2_ET_FILE_TOO_BIG
block.c (ext2fs_block_iterate2): Fix bug where the block count field
wasn't getting correctly incremented for sparse files when the
indirect or doubly-indirect block specified in the inode was zero.
unlink.c (unlink_proc):
lookup.c (lookup_proc):
link.c (link_proc):
get_pathname.c (get_pathname_proc):
dir_iterate.c (ext2fs_process_dir_block): Mask off high 8 bits from
dirent->name_len, so it can be used for other purposes.
ext2fs.h: Add definition of EXT2_FEATURE_INCOMPAT_DIRNAME_SIZE, and
indicate that we have support for this incompatible option.
1998-03-23 05:06:52 +03:00
|
|
|
limit = fs->blocksize >> 2;
|
|
|
|
|
1997-04-26 17:21:57 +04:00
|
|
|
ctx.fs = fs;
|
|
|
|
ctx.func = func;
|
Many files:
inode.c (ext2fs_open_inode_scan): Initialize the group variables
so that we don't need to call get_next_blockgroup() the first
time around. Saves a bit of time, and prevents us from
needing to assign -1 to current_group (which is an unsigned
value).
icount.c (insert_icount_el): Cast the estimated number of inodes
from a float to an ino_t.
alloc.c, alloc_tables.c, badlbocks.c, bb_compat.c, bb_inode.c,
bitmaps.c, bitops.c, block.c, bmap.c, bmove.c, brel_ma.c,
check_desc.c, closefs.c, cmp_bitmaps.c, dblist.c,
dblist_dir.c, dir_iterate.c, dirblock.c, dupfs.c, expanddir.c,
ext2fs.h, fileio.c, freefs.c, get_pathname.c, getsize.c,
icount.c, initialize.c, inline.c, inode.c, irel_ma.c,
ismounted.c, link.c, lookup.c, mkdir.c, namei.c, native.c,
newdir.c, openfs.c, read_bb.c, read_bb_file.c, rs_bitmap.c,
rw_bitmaps.c, swapfs.c, test_io.c, tst_badblocks.c,
tst_getsize.c, tst_iscan.c, unix_io.c, unlink.c, valid_blk.c,
version.c: If EXT2_FLAT_INCLUDES is defined, then assume all
of the ext2-specific header files are in a flat directory.
block.c, bmove.c, dirblock.c, fileio.c: Explicitly cast
all assignments from void * to be compatible with C++.
closefs.c (ext2fs_flush): Add a call to io_channel_flush() to
make sure the contents of the disk are flushed to disk.
dblist.c (ext2fs_add_dir_block): Change new to be new_entry to
avoid C++ namespace clash.
bitmaps.c (ext2fs_copy_bitmap): Change new to be new_map to
avoid C++ namespace clash.
ext2fs.h, bb_inode.c, block.c, bmove.c, brel.h, brel_ma.c,
irel.h, irel_ma.c, dblist.c, dblist_dir.c, dir_iterate.c,
ext2fsP.h, expanddir.c, get_pathname.c, inode.c, link.c,
unlink.c: Change private to be priv_data (to avoid C++
namespace clash)
1998-01-19 17:47:53 +03:00
|
|
|
ctx.priv_data = priv_data;
|
1997-04-26 17:21:57 +04:00
|
|
|
ctx.flags = flags;
|
1997-04-29 20:15:03 +04:00
|
|
|
ctx.bcount = 0;
|
1997-04-26 17:21:57 +04:00
|
|
|
if (block_buf) {
|
|
|
|
ctx.ind_buf = block_buf;
|
|
|
|
} else {
|
2003-08-01 17:41:07 +04:00
|
|
|
retval = ext2fs_get_mem(fs->blocksize * 3, &ctx.ind_buf);
|
1997-10-26 06:41:24 +03:00
|
|
|
if (retval)
|
|
|
|
return retval;
|
1997-04-26 17:21:57 +04:00
|
|
|
}
|
|
|
|
ctx.dind_buf = ctx.ind_buf + fs->blocksize;
|
|
|
|
ctx.tind_buf = ctx.dind_buf + fs->blocksize;
|
1997-04-29 18:53:37 +04:00
|
|
|
|
|
|
|
/*
|
|
|
|
* Iterate over the HURD translator block (if present)
|
|
|
|
*/
|
|
|
|
if ((fs->super->s_creator_os == EXT2_OS_HURD) &&
|
1997-04-29 19:29:49 +04:00
|
|
|
!(flags & BLOCK_FLAG_DATA_ONLY)) {
|
1997-04-29 18:53:37 +04:00
|
|
|
ctx.errcode = ext2fs_read_inode(fs, ino, &inode);
|
|
|
|
if (ctx.errcode)
|
Many files:
alloc.c, bb_inode.c, bitmaps.c, bitops.h, block.c, bmap.c, bmove.c,
brel.h, cmp_bitmaps.c, dblist.c, dblist_dir.c, dir_iterate.c,
expanddir.c, ext2fs.h, ext2fsP.h, fileio.c, finddev.c, get_pathname.c,
icount.c, inode.c, irel.h, irel_ma.c, ismounted.c, link.c, lookup.c,
mkdir.c, mkjournal.c, namei.c, newdir.c, read_bb_file.c, test_io.c,
tst_iscan.c, unix_io.c, unlink.c: Change use of ino_t to ext2_ino_t,
to protect applications that attempt to compile
-D_FILE_OFFSET_BITS=64, since this inexplicably changes ino_t(!?). So
we use ext2_ino_t to avoid an unexpected ABI change.
2001-01-11 07:54:39 +03:00
|
|
|
goto abort_exit;
|
1997-04-29 18:53:37 +04:00
|
|
|
got_inode = 1;
|
1997-04-29 19:29:49 +04:00
|
|
|
if (inode.osd1.hurd1.h_i_translator) {
|
1997-04-29 20:15:03 +04:00
|
|
|
ret |= (*ctx.func)(fs,
|
|
|
|
&inode.osd1.hurd1.h_i_translator,
|
|
|
|
BLOCK_COUNT_TRANSLATOR,
|
Many files:
inode.c (ext2fs_open_inode_scan): Initialize the group variables
so that we don't need to call get_next_blockgroup() the first
time around. Saves a bit of time, and prevents us from
needing to assign -1 to current_group (which is an unsigned
value).
icount.c (insert_icount_el): Cast the estimated number of inodes
from a float to an ino_t.
alloc.c, alloc_tables.c, badlbocks.c, bb_compat.c, bb_inode.c,
bitmaps.c, bitops.c, block.c, bmap.c, bmove.c, brel_ma.c,
check_desc.c, closefs.c, cmp_bitmaps.c, dblist.c,
dblist_dir.c, dir_iterate.c, dirblock.c, dupfs.c, expanddir.c,
ext2fs.h, fileio.c, freefs.c, get_pathname.c, getsize.c,
icount.c, initialize.c, inline.c, inode.c, irel_ma.c,
ismounted.c, link.c, lookup.c, mkdir.c, namei.c, native.c,
newdir.c, openfs.c, read_bb.c, read_bb_file.c, rs_bitmap.c,
rw_bitmaps.c, swapfs.c, test_io.c, tst_badblocks.c,
tst_getsize.c, tst_iscan.c, unix_io.c, unlink.c, valid_blk.c,
version.c: If EXT2_FLAT_INCLUDES is defined, then assume all
of the ext2-specific header files are in a flat directory.
block.c, bmove.c, dirblock.c, fileio.c: Explicitly cast
all assignments from void * to be compatible with C++.
closefs.c (ext2fs_flush): Add a call to io_channel_flush() to
make sure the contents of the disk are flushed to disk.
dblist.c (ext2fs_add_dir_block): Change new to be new_entry to
avoid C++ namespace clash.
bitmaps.c (ext2fs_copy_bitmap): Change new to be new_map to
avoid C++ namespace clash.
ext2fs.h, bb_inode.c, block.c, bmove.c, brel.h, brel_ma.c,
irel.h, irel_ma.c, dblist.c, dblist_dir.c, dir_iterate.c,
ext2fsP.h, expanddir.c, get_pathname.c, inode.c, link.c,
unlink.c: Change private to be priv_data (to avoid C++
namespace clash)
1998-01-19 17:47:53 +03:00
|
|
|
0, 0, priv_data);
|
1997-04-29 19:29:49 +04:00
|
|
|
if (ret & BLOCK_ABORT)
|
Many files:
alloc.c, bb_inode.c, bitmaps.c, bitops.h, block.c, bmap.c, bmove.c,
brel.h, cmp_bitmaps.c, dblist.c, dblist_dir.c, dir_iterate.c,
expanddir.c, ext2fs.h, ext2fsP.h, fileio.c, finddev.c, get_pathname.c,
icount.c, inode.c, irel.h, irel_ma.c, ismounted.c, link.c, lookup.c,
mkdir.c, mkjournal.c, namei.c, newdir.c, read_bb_file.c, test_io.c,
tst_iscan.c, unix_io.c, unlink.c: Change use of ino_t to ext2_ino_t,
to protect applications that attempt to compile
-D_FILE_OFFSET_BITS=64, since this inexplicably changes ino_t(!?). So
we use ext2_ino_t to avoid an unexpected ABI change.
2001-01-11 07:54:39 +03:00
|
|
|
goto abort_exit;
|
1997-04-29 19:29:49 +04:00
|
|
|
}
|
1997-04-29 18:53:37 +04:00
|
|
|
}
|
1997-04-26 17:21:57 +04:00
|
|
|
|
1997-04-29 18:53:37 +04:00
|
|
|
/*
|
|
|
|
* Iterate over normal data blocks
|
|
|
|
*/
|
1997-04-26 17:21:57 +04:00
|
|
|
for (i = 0; i < EXT2_NDIR_BLOCKS ; i++, ctx.bcount++) {
|
|
|
|
if (blocks[i] || (flags & BLOCK_FLAG_APPEND)) {
|
1997-04-29 20:15:03 +04:00
|
|
|
ret |= (*ctx.func)(fs, &blocks[i],
|
Many files:
block.c (ext2fs_block_iterate3): Make the ref_offset field contain the
offset into the inode.i_blocks array when ref_block is zero. Since we
haven't done a formal release of e2fsprogs since block_iterate2 was
first introduced, I removed block_iterate2, and renamed block_iterate3
to be block_iterate2.
bb_inode.c, bmove.c, dblist_dir.c, dir_iterate.c, expanddir.c,
ext2fs.h, ext2fsP.h, read_bb.c: Change use of block_iterate and
block_iterate2 to block_iterate2 with the new prototype for the
interator function. (using blkcnt_t forr blockcount)
ChangeLog, debugfs.c, ls.c, lsdel.c:
debugfs.c, ls.c, lsdel.c: Add support for large files. (The high 32
bits share space with the i_dir_acl field.)
1998-03-24 19:17:51 +03:00
|
|
|
ctx.bcount, 0, i, priv_data);
|
1997-04-26 17:21:57 +04:00
|
|
|
if (ret & BLOCK_ABORT)
|
Many files:
alloc.c, bb_inode.c, bitmaps.c, bitops.h, block.c, bmap.c, bmove.c,
brel.h, cmp_bitmaps.c, dblist.c, dblist_dir.c, dir_iterate.c,
expanddir.c, ext2fs.h, ext2fsP.h, fileio.c, finddev.c, get_pathname.c,
icount.c, inode.c, irel.h, irel_ma.c, ismounted.c, link.c, lookup.c,
mkdir.c, mkjournal.c, namei.c, newdir.c, read_bb_file.c, test_io.c,
tst_iscan.c, unix_io.c, unlink.c: Change use of ino_t to ext2_ino_t,
to protect applications that attempt to compile
-D_FILE_OFFSET_BITS=64, since this inexplicably changes ino_t(!?). So
we use ext2_ino_t to avoid an unexpected ABI change.
2001-01-11 07:54:39 +03:00
|
|
|
goto abort_exit;
|
1997-04-26 17:21:57 +04:00
|
|
|
}
|
|
|
|
}
|
|
|
|
if (*(blocks + EXT2_IND_BLOCK) || (flags & BLOCK_FLAG_APPEND)) {
|
1997-04-29 20:15:03 +04:00
|
|
|
ret |= block_iterate_ind(blocks + EXT2_IND_BLOCK,
|
Many files:
block.c (ext2fs_block_iterate3): Make the ref_offset field contain the
offset into the inode.i_blocks array when ref_block is zero. Since we
haven't done a formal release of e2fsprogs since block_iterate2 was
first introduced, I removed block_iterate2, and renamed block_iterate3
to be block_iterate2.
bb_inode.c, bmove.c, dblist_dir.c, dir_iterate.c, expanddir.c,
ext2fs.h, ext2fsP.h, read_bb.c: Change use of block_iterate and
block_iterate2 to block_iterate2 with the new prototype for the
interator function. (using blkcnt_t forr blockcount)
ChangeLog, debugfs.c, ls.c, lsdel.c:
debugfs.c, ls.c, lsdel.c: Add support for large files. (The high 32
bits share space with the i_dir_acl field.)
1998-03-24 19:17:51 +03:00
|
|
|
0, EXT2_IND_BLOCK, &ctx);
|
1997-04-26 17:21:57 +04:00
|
|
|
if (ret & BLOCK_ABORT)
|
Many files:
alloc.c, bb_inode.c, bitmaps.c, bitops.h, block.c, bmap.c, bmove.c,
brel.h, cmp_bitmaps.c, dblist.c, dblist_dir.c, dir_iterate.c,
expanddir.c, ext2fs.h, ext2fsP.h, fileio.c, finddev.c, get_pathname.c,
icount.c, inode.c, irel.h, irel_ma.c, ismounted.c, link.c, lookup.c,
mkdir.c, mkjournal.c, namei.c, newdir.c, read_bb_file.c, test_io.c,
tst_iscan.c, unix_io.c, unlink.c: Change use of ino_t to ext2_ino_t,
to protect applications that attempt to compile
-D_FILE_OFFSET_BITS=64, since this inexplicably changes ino_t(!?). So
we use ext2_ino_t to avoid an unexpected ABI change.
2001-01-11 07:54:39 +03:00
|
|
|
goto abort_exit;
|
Many files:
ext2fs.h: Add new superblock fields (s_algorithm_usage_bitmap,
s_prealloc_blocks, s_prealloc_dir_blocks). Added conditional defines
of new features COMPAT_DIR_PREALLOC, RO_COMPAT_LARGE_FILE
RO_COMPAT_BTREE_DIR, INCOMPAT_COMPRESSION, INCOMPAT_DIRNAME_SIZE.
Changed the library to declare that we support COMPAT_DIR_PREALLOC,
INCOMPAT_DIRNAME_SIZE, RO_COMPAT_LARGE_FILE.
fileio.c: Rename function ext2fs_file_llseek to be ext2fs_file_lseek,
which is more accurate.
block.c: Add new function ext2fs_block_iterate3 which calls the
iterator function with the blockcount argument of type blkcnt_t. This
version of the function is allowed to handle large files; the other
fucntions are not.
ext2fs.h: Add new type blkcnt_t
ext2_err.et.in: Add error code EXT2_ET_FILE_TOO_BIG
block.c (ext2fs_block_iterate2): Fix bug where the block count field
wasn't getting correctly incremented for sparse files when the
indirect or doubly-indirect block specified in the inode was zero.
unlink.c (unlink_proc):
lookup.c (lookup_proc):
link.c (link_proc):
get_pathname.c (get_pathname_proc):
dir_iterate.c (ext2fs_process_dir_block): Mask off high 8 bits from
dirent->name_len, so it can be used for other purposes.
ext2fs.h: Add definition of EXT2_FEATURE_INCOMPAT_DIRNAME_SIZE, and
indicate that we have support for this incompatible option.
1998-03-23 05:06:52 +03:00
|
|
|
} else
|
|
|
|
ctx.bcount += limit;
|
1997-04-26 17:21:57 +04:00
|
|
|
if (*(blocks + EXT2_DIND_BLOCK) || (flags & BLOCK_FLAG_APPEND)) {
|
1997-04-29 20:15:03 +04:00
|
|
|
ret |= block_iterate_dind(blocks + EXT2_DIND_BLOCK,
|
Many files:
block.c (ext2fs_block_iterate3): Make the ref_offset field contain the
offset into the inode.i_blocks array when ref_block is zero. Since we
haven't done a formal release of e2fsprogs since block_iterate2 was
first introduced, I removed block_iterate2, and renamed block_iterate3
to be block_iterate2.
bb_inode.c, bmove.c, dblist_dir.c, dir_iterate.c, expanddir.c,
ext2fs.h, ext2fsP.h, read_bb.c: Change use of block_iterate and
block_iterate2 to block_iterate2 with the new prototype for the
interator function. (using blkcnt_t forr blockcount)
ChangeLog, debugfs.c, ls.c, lsdel.c:
debugfs.c, ls.c, lsdel.c: Add support for large files. (The high 32
bits share space with the i_dir_acl field.)
1998-03-24 19:17:51 +03:00
|
|
|
0, EXT2_DIND_BLOCK, &ctx);
|
1997-04-26 17:21:57 +04:00
|
|
|
if (ret & BLOCK_ABORT)
|
Many files:
alloc.c, bb_inode.c, bitmaps.c, bitops.h, block.c, bmap.c, bmove.c,
brel.h, cmp_bitmaps.c, dblist.c, dblist_dir.c, dir_iterate.c,
expanddir.c, ext2fs.h, ext2fsP.h, fileio.c, finddev.c, get_pathname.c,
icount.c, inode.c, irel.h, irel_ma.c, ismounted.c, link.c, lookup.c,
mkdir.c, mkjournal.c, namei.c, newdir.c, read_bb_file.c, test_io.c,
tst_iscan.c, unix_io.c, unlink.c: Change use of ino_t to ext2_ino_t,
to protect applications that attempt to compile
-D_FILE_OFFSET_BITS=64, since this inexplicably changes ino_t(!?). So
we use ext2_ino_t to avoid an unexpected ABI change.
2001-01-11 07:54:39 +03:00
|
|
|
goto abort_exit;
|
Many files:
ext2fs.h: Add new superblock fields (s_algorithm_usage_bitmap,
s_prealloc_blocks, s_prealloc_dir_blocks). Added conditional defines
of new features COMPAT_DIR_PREALLOC, RO_COMPAT_LARGE_FILE
RO_COMPAT_BTREE_DIR, INCOMPAT_COMPRESSION, INCOMPAT_DIRNAME_SIZE.
Changed the library to declare that we support COMPAT_DIR_PREALLOC,
INCOMPAT_DIRNAME_SIZE, RO_COMPAT_LARGE_FILE.
fileio.c: Rename function ext2fs_file_llseek to be ext2fs_file_lseek,
which is more accurate.
block.c: Add new function ext2fs_block_iterate3 which calls the
iterator function with the blockcount argument of type blkcnt_t. This
version of the function is allowed to handle large files; the other
fucntions are not.
ext2fs.h: Add new type blkcnt_t
ext2_err.et.in: Add error code EXT2_ET_FILE_TOO_BIG
block.c (ext2fs_block_iterate2): Fix bug where the block count field
wasn't getting correctly incremented for sparse files when the
indirect or doubly-indirect block specified in the inode was zero.
unlink.c (unlink_proc):
lookup.c (lookup_proc):
link.c (link_proc):
get_pathname.c (get_pathname_proc):
dir_iterate.c (ext2fs_process_dir_block): Mask off high 8 bits from
dirent->name_len, so it can be used for other purposes.
ext2fs.h: Add definition of EXT2_FEATURE_INCOMPAT_DIRNAME_SIZE, and
indicate that we have support for this incompatible option.
1998-03-23 05:06:52 +03:00
|
|
|
} else
|
|
|
|
ctx.bcount += limit * limit;
|
1997-04-29 18:53:37 +04:00
|
|
|
if (*(blocks + EXT2_TIND_BLOCK) || (flags & BLOCK_FLAG_APPEND)) {
|
1997-04-29 20:15:03 +04:00
|
|
|
ret |= block_iterate_tind(blocks + EXT2_TIND_BLOCK,
|
Many files:
block.c (ext2fs_block_iterate3): Make the ref_offset field contain the
offset into the inode.i_blocks array when ref_block is zero. Since we
haven't done a formal release of e2fsprogs since block_iterate2 was
first introduced, I removed block_iterate2, and renamed block_iterate3
to be block_iterate2.
bb_inode.c, bmove.c, dblist_dir.c, dir_iterate.c, expanddir.c,
ext2fs.h, ext2fsP.h, read_bb.c: Change use of block_iterate and
block_iterate2 to block_iterate2 with the new prototype for the
interator function. (using blkcnt_t forr blockcount)
ChangeLog, debugfs.c, ls.c, lsdel.c:
debugfs.c, ls.c, lsdel.c: Add support for large files. (The high 32
bits share space with the i_dir_acl field.)
1998-03-24 19:17:51 +03:00
|
|
|
0, EXT2_TIND_BLOCK, &ctx);
|
1997-04-29 18:53:37 +04:00
|
|
|
if (ret & BLOCK_ABORT)
|
Many files:
alloc.c, bb_inode.c, bitmaps.c, bitops.h, block.c, bmap.c, bmove.c,
brel.h, cmp_bitmaps.c, dblist.c, dblist_dir.c, dir_iterate.c,
expanddir.c, ext2fs.h, ext2fsP.h, fileio.c, finddev.c, get_pathname.c,
icount.c, inode.c, irel.h, irel_ma.c, ismounted.c, link.c, lookup.c,
mkdir.c, mkjournal.c, namei.c, newdir.c, read_bb_file.c, test_io.c,
tst_iscan.c, unix_io.c, unlink.c: Change use of ino_t to ext2_ino_t,
to protect applications that attempt to compile
-D_FILE_OFFSET_BITS=64, since this inexplicably changes ino_t(!?). So
we use ext2_ino_t to avoid an unexpected ABI change.
2001-01-11 07:54:39 +03:00
|
|
|
goto abort_exit;
|
1997-04-29 18:53:37 +04:00
|
|
|
}
|
1997-04-26 17:21:57 +04:00
|
|
|
|
Many files:
alloc.c, bb_inode.c, bitmaps.c, bitops.h, block.c, bmap.c, bmove.c,
brel.h, cmp_bitmaps.c, dblist.c, dblist_dir.c, dir_iterate.c,
expanddir.c, ext2fs.h, ext2fsP.h, fileio.c, finddev.c, get_pathname.c,
icount.c, inode.c, irel.h, irel_ma.c, ismounted.c, link.c, lookup.c,
mkdir.c, mkjournal.c, namei.c, newdir.c, read_bb_file.c, test_io.c,
tst_iscan.c, unix_io.c, unlink.c: Change use of ino_t to ext2_ino_t,
to protect applications that attempt to compile
-D_FILE_OFFSET_BITS=64, since this inexplicably changes ino_t(!?). So
we use ext2_ino_t to avoid an unexpected ABI change.
2001-01-11 07:54:39 +03:00
|
|
|
abort_exit:
|
1997-04-26 17:21:57 +04:00
|
|
|
if (ret & BLOCK_CHANGED) {
|
1997-04-29 18:53:37 +04:00
|
|
|
if (!got_inode) {
|
|
|
|
retval = ext2fs_read_inode(fs, ino, &inode);
|
|
|
|
if (retval)
|
|
|
|
return retval;
|
|
|
|
}
|
1997-04-26 17:21:57 +04:00
|
|
|
for (i=0; i < EXT2_N_BLOCKS; i++)
|
|
|
|
inode.i_block[i] = blocks[i];
|
|
|
|
retval = ext2fs_write_inode(fs, ino, &inode);
|
|
|
|
if (retval)
|
|
|
|
return retval;
|
|
|
|
}
|
|
|
|
|
|
|
|
if (!block_buf)
|
2003-08-01 17:41:07 +04:00
|
|
|
ext2fs_free_mem(&ctx.ind_buf);
|
1997-04-26 17:21:57 +04:00
|
|
|
|
|
|
|
return (ret & BLOCK_ERROR) ? ctx.errcode : 0;
|
|
|
|
}
|
1997-04-29 20:15:03 +04:00
|
|
|
|
Many files:
ext2fs.h: Add new superblock fields (s_algorithm_usage_bitmap,
s_prealloc_blocks, s_prealloc_dir_blocks). Added conditional defines
of new features COMPAT_DIR_PREALLOC, RO_COMPAT_LARGE_FILE
RO_COMPAT_BTREE_DIR, INCOMPAT_COMPRESSION, INCOMPAT_DIRNAME_SIZE.
Changed the library to declare that we support COMPAT_DIR_PREALLOC,
INCOMPAT_DIRNAME_SIZE, RO_COMPAT_LARGE_FILE.
fileio.c: Rename function ext2fs_file_llseek to be ext2fs_file_lseek,
which is more accurate.
block.c: Add new function ext2fs_block_iterate3 which calls the
iterator function with the blockcount argument of type blkcnt_t. This
version of the function is allowed to handle large files; the other
fucntions are not.
ext2fs.h: Add new type blkcnt_t
ext2_err.et.in: Add error code EXT2_ET_FILE_TOO_BIG
block.c (ext2fs_block_iterate2): Fix bug where the block count field
wasn't getting correctly incremented for sparse files when the
indirect or doubly-indirect block specified in the inode was zero.
unlink.c (unlink_proc):
lookup.c (lookup_proc):
link.c (link_proc):
get_pathname.c (get_pathname_proc):
dir_iterate.c (ext2fs_process_dir_block): Mask off high 8 bits from
dirent->name_len, so it can be used for other purposes.
ext2fs.h: Add definition of EXT2_FEATURE_INCOMPAT_DIRNAME_SIZE, and
indicate that we have support for this incompatible option.
1998-03-23 05:06:52 +03:00
|
|
|
/*
|
|
|
|
* Emulate the old ext2fs_block_iterate function!
|
|
|
|
*/
|
|
|
|
|
1997-04-29 20:15:03 +04:00
|
|
|
struct xlate {
|
|
|
|
int (*func)(ext2_filsys fs,
|
|
|
|
blk_t *blocknr,
|
|
|
|
int bcount,
|
Many files:
inode.c (ext2fs_open_inode_scan): Initialize the group variables
so that we don't need to call get_next_blockgroup() the first
time around. Saves a bit of time, and prevents us from
needing to assign -1 to current_group (which is an unsigned
value).
icount.c (insert_icount_el): Cast the estimated number of inodes
from a float to an ino_t.
alloc.c, alloc_tables.c, badlbocks.c, bb_compat.c, bb_inode.c,
bitmaps.c, bitops.c, block.c, bmap.c, bmove.c, brel_ma.c,
check_desc.c, closefs.c, cmp_bitmaps.c, dblist.c,
dblist_dir.c, dir_iterate.c, dirblock.c, dupfs.c, expanddir.c,
ext2fs.h, fileio.c, freefs.c, get_pathname.c, getsize.c,
icount.c, initialize.c, inline.c, inode.c, irel_ma.c,
ismounted.c, link.c, lookup.c, mkdir.c, namei.c, native.c,
newdir.c, openfs.c, read_bb.c, read_bb_file.c, rs_bitmap.c,
rw_bitmaps.c, swapfs.c, test_io.c, tst_badblocks.c,
tst_getsize.c, tst_iscan.c, unix_io.c, unlink.c, valid_blk.c,
version.c: If EXT2_FLAT_INCLUDES is defined, then assume all
of the ext2-specific header files are in a flat directory.
block.c, bmove.c, dirblock.c, fileio.c: Explicitly cast
all assignments from void * to be compatible with C++.
closefs.c (ext2fs_flush): Add a call to io_channel_flush() to
make sure the contents of the disk are flushed to disk.
dblist.c (ext2fs_add_dir_block): Change new to be new_entry to
avoid C++ namespace clash.
bitmaps.c (ext2fs_copy_bitmap): Change new to be new_map to
avoid C++ namespace clash.
ext2fs.h, bb_inode.c, block.c, bmove.c, brel.h, brel_ma.c,
irel.h, irel_ma.c, dblist.c, dblist_dir.c, dir_iterate.c,
ext2fsP.h, expanddir.c, get_pathname.c, inode.c, link.c,
unlink.c: Change private to be priv_data (to avoid C++
namespace clash)
1998-01-19 17:47:53 +03:00
|
|
|
void *priv_data);
|
1997-04-29 20:15:03 +04:00
|
|
|
void *real_private;
|
|
|
|
};
|
|
|
|
|
Many files:
dosio.c: New file to do DOS/BIOS disk accesses.
namei.c (open_namei): Make pathlen be of type size_t.
llseek.c: Always #include stdlib.h since it's need to define
size_t.
io.h: Use errcode_t for magic numbers.
icount.c (get_icount_el), dupfs.c (ext2fs_dup_handle), dblist.c
(dir_block_cmp): Use size_t where appropriate.
read_bb.c (ext2fs_read_bb_inode), cmp_bitmaps.c
(ext2fs_compare_inode_bitmap): Use blk_t, ino_t and size_t
where appropriate.
closefs.c (ext2fs_flush): Use dgrp_t instead of int where
appropriate.
openfs.c (ext2fs_open), check_desc.c (ext2fs_check_desc): Use blk_t
instead of int where appropriate.
rw_bitmaps.c (read_bitmaps), irel_ma.c, inode.c (ext2fs_write_inode),
initialize.c (ext2fs_initialize): brel_ma.c: Fix to make be
16-bit safe.
link.c (ext2fs_link), unlink.c (ext2fs_unlink), lookup.c (lookup_proc),
ismounted.c (ext2fs_check_if_mounted), block.c (xlate_func):
Add #pragma argsused for Turbo C.
1997-08-12 00:29:22 +04:00
|
|
|
#ifdef __TURBOC__
|
Many files:
alloc.c, bb_inode.c, bitmaps.c, bitops.h, block.c, bmap.c, bmove.c,
brel.h, cmp_bitmaps.c, dblist.c, dblist_dir.c, dir_iterate.c,
expanddir.c, ext2fs.h, ext2fsP.h, fileio.c, finddev.c, get_pathname.c,
icount.c, inode.c, irel.h, irel_ma.c, ismounted.c, link.c, lookup.c,
mkdir.c, mkjournal.c, namei.c, newdir.c, read_bb_file.c, test_io.c,
tst_iscan.c, unix_io.c, unlink.c: Change use of ino_t to ext2_ino_t,
to protect applications that attempt to compile
-D_FILE_OFFSET_BITS=64, since this inexplicably changes ino_t(!?). So
we use ext2_ino_t to avoid an unexpected ABI change.
2001-01-11 07:54:39 +03:00
|
|
|
#pragma argsused
|
Many files:
dosio.c: New file to do DOS/BIOS disk accesses.
namei.c (open_namei): Make pathlen be of type size_t.
llseek.c: Always #include stdlib.h since it's need to define
size_t.
io.h: Use errcode_t for magic numbers.
icount.c (get_icount_el), dupfs.c (ext2fs_dup_handle), dblist.c
(dir_block_cmp): Use size_t where appropriate.
read_bb.c (ext2fs_read_bb_inode), cmp_bitmaps.c
(ext2fs_compare_inode_bitmap): Use blk_t, ino_t and size_t
where appropriate.
closefs.c (ext2fs_flush): Use dgrp_t instead of int where
appropriate.
openfs.c (ext2fs_open), check_desc.c (ext2fs_check_desc): Use blk_t
instead of int where appropriate.
rw_bitmaps.c (read_bitmaps), irel_ma.c, inode.c (ext2fs_write_inode),
initialize.c (ext2fs_initialize): brel_ma.c: Fix to make be
16-bit safe.
link.c (ext2fs_link), unlink.c (ext2fs_unlink), lookup.c (lookup_proc),
ismounted.c (ext2fs_check_if_mounted), block.c (xlate_func):
Add #pragma argsused for Turbo C.
1997-08-12 00:29:22 +04:00
|
|
|
#endif
|
1998-06-11 00:39:43 +04:00
|
|
|
static int xlate_func(ext2_filsys fs, blk_t *blocknr, e2_blkcnt_t blockcnt,
|
2003-12-07 09:28:50 +03:00
|
|
|
blk_t ref_block EXT2FS_ATTR((unused)),
|
|
|
|
int ref_offset EXT2FS_ATTR((unused)),
|
|
|
|
void *priv_data)
|
1997-04-29 20:15:03 +04:00
|
|
|
{
|
Many files:
inode.c (ext2fs_open_inode_scan): Initialize the group variables
so that we don't need to call get_next_blockgroup() the first
time around. Saves a bit of time, and prevents us from
needing to assign -1 to current_group (which is an unsigned
value).
icount.c (insert_icount_el): Cast the estimated number of inodes
from a float to an ino_t.
alloc.c, alloc_tables.c, badlbocks.c, bb_compat.c, bb_inode.c,
bitmaps.c, bitops.c, block.c, bmap.c, bmove.c, brel_ma.c,
check_desc.c, closefs.c, cmp_bitmaps.c, dblist.c,
dblist_dir.c, dir_iterate.c, dirblock.c, dupfs.c, expanddir.c,
ext2fs.h, fileio.c, freefs.c, get_pathname.c, getsize.c,
icount.c, initialize.c, inline.c, inode.c, irel_ma.c,
ismounted.c, link.c, lookup.c, mkdir.c, namei.c, native.c,
newdir.c, openfs.c, read_bb.c, read_bb_file.c, rs_bitmap.c,
rw_bitmaps.c, swapfs.c, test_io.c, tst_badblocks.c,
tst_getsize.c, tst_iscan.c, unix_io.c, unlink.c, valid_blk.c,
version.c: If EXT2_FLAT_INCLUDES is defined, then assume all
of the ext2-specific header files are in a flat directory.
block.c, bmove.c, dirblock.c, fileio.c: Explicitly cast
all assignments from void * to be compatible with C++.
closefs.c (ext2fs_flush): Add a call to io_channel_flush() to
make sure the contents of the disk are flushed to disk.
dblist.c (ext2fs_add_dir_block): Change new to be new_entry to
avoid C++ namespace clash.
bitmaps.c (ext2fs_copy_bitmap): Change new to be new_map to
avoid C++ namespace clash.
ext2fs.h, bb_inode.c, block.c, bmove.c, brel.h, brel_ma.c,
irel.h, irel_ma.c, dblist.c, dblist_dir.c, dir_iterate.c,
ext2fsP.h, expanddir.c, get_pathname.c, inode.c, link.c,
unlink.c: Change private to be priv_data (to avoid C++
namespace clash)
1998-01-19 17:47:53 +03:00
|
|
|
struct xlate *xl = (struct xlate *) priv_data;
|
1997-04-29 20:15:03 +04:00
|
|
|
|
Many files:
ext2fs.h: Add new superblock fields (s_algorithm_usage_bitmap,
s_prealloc_blocks, s_prealloc_dir_blocks). Added conditional defines
of new features COMPAT_DIR_PREALLOC, RO_COMPAT_LARGE_FILE
RO_COMPAT_BTREE_DIR, INCOMPAT_COMPRESSION, INCOMPAT_DIRNAME_SIZE.
Changed the library to declare that we support COMPAT_DIR_PREALLOC,
INCOMPAT_DIRNAME_SIZE, RO_COMPAT_LARGE_FILE.
fileio.c: Rename function ext2fs_file_llseek to be ext2fs_file_lseek,
which is more accurate.
block.c: Add new function ext2fs_block_iterate3 which calls the
iterator function with the blockcount argument of type blkcnt_t. This
version of the function is allowed to handle large files; the other
fucntions are not.
ext2fs.h: Add new type blkcnt_t
ext2_err.et.in: Add error code EXT2_ET_FILE_TOO_BIG
block.c (ext2fs_block_iterate2): Fix bug where the block count field
wasn't getting correctly incremented for sparse files when the
indirect or doubly-indirect block specified in the inode was zero.
unlink.c (unlink_proc):
lookup.c (lookup_proc):
link.c (link_proc):
get_pathname.c (get_pathname_proc):
dir_iterate.c (ext2fs_process_dir_block): Mask off high 8 bits from
dirent->name_len, so it can be used for other purposes.
ext2fs.h: Add definition of EXT2_FEATURE_INCOMPAT_DIRNAME_SIZE, and
indicate that we have support for this incompatible option.
1998-03-23 05:06:52 +03:00
|
|
|
return (*xl->func)(fs, blocknr, (int) blockcnt, xl->real_private);
|
1997-04-29 20:15:03 +04:00
|
|
|
}
|
|
|
|
|
|
|
|
errcode_t ext2fs_block_iterate(ext2_filsys fs,
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Many files:
alloc.c, bb_inode.c, bitmaps.c, bitops.h, block.c, bmap.c, bmove.c,
brel.h, cmp_bitmaps.c, dblist.c, dblist_dir.c, dir_iterate.c,
expanddir.c, ext2fs.h, ext2fsP.h, fileio.c, finddev.c, get_pathname.c,
icount.c, inode.c, irel.h, irel_ma.c, ismounted.c, link.c, lookup.c,
mkdir.c, mkjournal.c, namei.c, newdir.c, read_bb_file.c, test_io.c,
tst_iscan.c, unix_io.c, unlink.c: Change use of ino_t to ext2_ino_t,
to protect applications that attempt to compile
-D_FILE_OFFSET_BITS=64, since this inexplicably changes ino_t(!?). So
we use ext2_ino_t to avoid an unexpected ABI change.
2001-01-11 07:54:39 +03:00
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ext2_ino_t ino,
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1997-04-29 20:15:03 +04:00
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int flags,
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char *block_buf,
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int (*func)(ext2_filsys fs,
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blk_t *blocknr,
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int blockcnt,
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Many files:
inode.c (ext2fs_open_inode_scan): Initialize the group variables
so that we don't need to call get_next_blockgroup() the first
time around. Saves a bit of time, and prevents us from
needing to assign -1 to current_group (which is an unsigned
value).
icount.c (insert_icount_el): Cast the estimated number of inodes
from a float to an ino_t.
alloc.c, alloc_tables.c, badlbocks.c, bb_compat.c, bb_inode.c,
bitmaps.c, bitops.c, block.c, bmap.c, bmove.c, brel_ma.c,
check_desc.c, closefs.c, cmp_bitmaps.c, dblist.c,
dblist_dir.c, dir_iterate.c, dirblock.c, dupfs.c, expanddir.c,
ext2fs.h, fileio.c, freefs.c, get_pathname.c, getsize.c,
icount.c, initialize.c, inline.c, inode.c, irel_ma.c,
ismounted.c, link.c, lookup.c, mkdir.c, namei.c, native.c,
newdir.c, openfs.c, read_bb.c, read_bb_file.c, rs_bitmap.c,
rw_bitmaps.c, swapfs.c, test_io.c, tst_badblocks.c,
tst_getsize.c, tst_iscan.c, unix_io.c, unlink.c, valid_blk.c,
version.c: If EXT2_FLAT_INCLUDES is defined, then assume all
of the ext2-specific header files are in a flat directory.
block.c, bmove.c, dirblock.c, fileio.c: Explicitly cast
all assignments from void * to be compatible with C++.
closefs.c (ext2fs_flush): Add a call to io_channel_flush() to
make sure the contents of the disk are flushed to disk.
dblist.c (ext2fs_add_dir_block): Change new to be new_entry to
avoid C++ namespace clash.
bitmaps.c (ext2fs_copy_bitmap): Change new to be new_map to
avoid C++ namespace clash.
ext2fs.h, bb_inode.c, block.c, bmove.c, brel.h, brel_ma.c,
irel.h, irel_ma.c, dblist.c, dblist_dir.c, dir_iterate.c,
ext2fsP.h, expanddir.c, get_pathname.c, inode.c, link.c,
unlink.c: Change private to be priv_data (to avoid C++
namespace clash)
1998-01-19 17:47:53 +03:00
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void *priv_data),
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void *priv_data)
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1997-04-29 20:15:03 +04:00
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{
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struct xlate xl;
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Many files:
inode.c (ext2fs_open_inode_scan): Initialize the group variables
so that we don't need to call get_next_blockgroup() the first
time around. Saves a bit of time, and prevents us from
needing to assign -1 to current_group (which is an unsigned
value).
icount.c (insert_icount_el): Cast the estimated number of inodes
from a float to an ino_t.
alloc.c, alloc_tables.c, badlbocks.c, bb_compat.c, bb_inode.c,
bitmaps.c, bitops.c, block.c, bmap.c, bmove.c, brel_ma.c,
check_desc.c, closefs.c, cmp_bitmaps.c, dblist.c,
dblist_dir.c, dir_iterate.c, dirblock.c, dupfs.c, expanddir.c,
ext2fs.h, fileio.c, freefs.c, get_pathname.c, getsize.c,
icount.c, initialize.c, inline.c, inode.c, irel_ma.c,
ismounted.c, link.c, lookup.c, mkdir.c, namei.c, native.c,
newdir.c, openfs.c, read_bb.c, read_bb_file.c, rs_bitmap.c,
rw_bitmaps.c, swapfs.c, test_io.c, tst_badblocks.c,
tst_getsize.c, tst_iscan.c, unix_io.c, unlink.c, valid_blk.c,
version.c: If EXT2_FLAT_INCLUDES is defined, then assume all
of the ext2-specific header files are in a flat directory.
block.c, bmove.c, dirblock.c, fileio.c: Explicitly cast
all assignments from void * to be compatible with C++.
closefs.c (ext2fs_flush): Add a call to io_channel_flush() to
make sure the contents of the disk are flushed to disk.
dblist.c (ext2fs_add_dir_block): Change new to be new_entry to
avoid C++ namespace clash.
bitmaps.c (ext2fs_copy_bitmap): Change new to be new_map to
avoid C++ namespace clash.
ext2fs.h, bb_inode.c, block.c, bmove.c, brel.h, brel_ma.c,
irel.h, irel_ma.c, dblist.c, dblist_dir.c, dir_iterate.c,
ext2fsP.h, expanddir.c, get_pathname.c, inode.c, link.c,
unlink.c: Change private to be priv_data (to avoid C++
namespace clash)
1998-01-19 17:47:53 +03:00
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xl.real_private = priv_data;
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1997-04-29 20:15:03 +04:00
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xl.func = func;
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Many files:
block.c (ext2fs_block_iterate3): Make the ref_offset field contain the
offset into the inode.i_blocks array when ref_block is zero. Since we
haven't done a formal release of e2fsprogs since block_iterate2 was
first introduced, I removed block_iterate2, and renamed block_iterate3
to be block_iterate2.
bb_inode.c, bmove.c, dblist_dir.c, dir_iterate.c, expanddir.c,
ext2fs.h, ext2fsP.h, read_bb.c: Change use of block_iterate and
block_iterate2 to block_iterate2 with the new prototype for the
interator function. (using blkcnt_t forr blockcount)
ChangeLog, debugfs.c, ls.c, lsdel.c:
debugfs.c, ls.c, lsdel.c: Add support for large files. (The high 32
bits share space with the i_dir_acl field.)
1998-03-24 19:17:51 +03:00
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return ext2fs_block_iterate2(fs, ino, BLOCK_FLAG_NO_LARGE | flags,
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Many files:
ext2fs.h: Add new superblock fields (s_algorithm_usage_bitmap,
s_prealloc_blocks, s_prealloc_dir_blocks). Added conditional defines
of new features COMPAT_DIR_PREALLOC, RO_COMPAT_LARGE_FILE
RO_COMPAT_BTREE_DIR, INCOMPAT_COMPRESSION, INCOMPAT_DIRNAME_SIZE.
Changed the library to declare that we support COMPAT_DIR_PREALLOC,
INCOMPAT_DIRNAME_SIZE, RO_COMPAT_LARGE_FILE.
fileio.c: Rename function ext2fs_file_llseek to be ext2fs_file_lseek,
which is more accurate.
block.c: Add new function ext2fs_block_iterate3 which calls the
iterator function with the blockcount argument of type blkcnt_t. This
version of the function is allowed to handle large files; the other
fucntions are not.
ext2fs.h: Add new type blkcnt_t
ext2_err.et.in: Add error code EXT2_ET_FILE_TOO_BIG
block.c (ext2fs_block_iterate2): Fix bug where the block count field
wasn't getting correctly incremented for sparse files when the
indirect or doubly-indirect block specified in the inode was zero.
unlink.c (unlink_proc):
lookup.c (lookup_proc):
link.c (link_proc):
get_pathname.c (get_pathname_proc):
dir_iterate.c (ext2fs_process_dir_block): Mask off high 8 bits from
dirent->name_len, so it can be used for other purposes.
ext2fs.h: Add definition of EXT2_FEATURE_INCOMPAT_DIRNAME_SIZE, and
indicate that we have support for this incompatible option.
1998-03-23 05:06:52 +03:00
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block_buf, xlate_func, &xl);
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}
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