mirror of https://github.com/vitalif/e2fsprogs
resize2fs: Fix resizing filesystems with large inodes
Use ext2fs_get_next_inode_full() in resize2fs and clean up large inode handling; previous attempt was not properly handling all cases, and was incorrectly setting i_extra_isize. This caused some extended attributes to get removed or randomly assigned to other inodes as a result of the resize, which can be unfortunate on systems using SELinux. The previous commit didn't fix things completely on big-endian systems like PowerPC. Addresses-Red-Hat-Bugzilla: #434893 Signed-off-by: Eric Sandeen <sandeen@redhat.com> Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>bitmap-optimize
parent
dd232049d1
commit
edfd9b0a9f
|
@ -1109,8 +1109,7 @@ static errcode_t inode_scan_and_fix(ext2_resize_t rfs)
|
|||
{
|
||||
struct process_block_struct pb;
|
||||
ext2_ino_t ino, new_inode;
|
||||
struct ext2_inode inode, *buf = NULL;
|
||||
struct ext2_inode_large *large_inode;
|
||||
struct ext2_inode *inode = NULL;
|
||||
ext2_inode_scan scan = NULL;
|
||||
errcode_t retval;
|
||||
int group;
|
||||
|
@ -1154,12 +1153,12 @@ static errcode_t inode_scan_and_fix(ext2_resize_t rfs)
|
|||
}
|
||||
ext2fs_set_inode_callback(scan, progress_callback, (void *) rfs);
|
||||
pb.rfs = rfs;
|
||||
pb.inode = &inode;
|
||||
pb.inode = inode;
|
||||
pb.error = 0;
|
||||
new_inode = EXT2_FIRST_INODE(rfs->new_fs->super);
|
||||
inode_size = EXT2_INODE_SIZE(rfs->new_fs->super);
|
||||
buf = malloc(inode_size);
|
||||
if (!buf) {
|
||||
inode = malloc(inode_size);
|
||||
if (!inode) {
|
||||
retval = ENOMEM;
|
||||
goto errout;
|
||||
}
|
||||
|
@ -1168,29 +1167,29 @@ static errcode_t inode_scan_and_fix(ext2_resize_t rfs)
|
|||
* elsewhere in the inode table
|
||||
*/
|
||||
while (1) {
|
||||
retval = ext2fs_get_next_inode(scan, &ino, &inode);
|
||||
retval = ext2fs_get_next_inode_full(scan, &ino, inode, inode_size);
|
||||
if (retval) goto errout;
|
||||
if (!ino)
|
||||
break;
|
||||
|
||||
if (inode.i_links_count == 0 && ino != EXT2_RESIZE_INO)
|
||||
if (inode->i_links_count == 0 && ino != EXT2_RESIZE_INO)
|
||||
continue; /* inode not in use */
|
||||
|
||||
pb.is_dir = LINUX_S_ISDIR(inode.i_mode);
|
||||
pb.is_dir = LINUX_S_ISDIR(inode->i_mode);
|
||||
pb.changed = 0;
|
||||
|
||||
if (inode.i_file_acl && rfs->bmap) {
|
||||
if (inode->i_file_acl && rfs->bmap) {
|
||||
new_block = ext2fs_extent_translate(rfs->bmap,
|
||||
inode.i_file_acl);
|
||||
inode->i_file_acl);
|
||||
if (new_block) {
|
||||
inode.i_file_acl = new_block;
|
||||
retval = ext2fs_write_inode(rfs->old_fs,
|
||||
ino, &inode);
|
||||
inode->i_file_acl = new_block;
|
||||
retval = ext2fs_write_inode_full(rfs->old_fs,
|
||||
ino, inode, inode_size);
|
||||
if (retval) goto errout;
|
||||
}
|
||||
}
|
||||
|
||||
if (ext2fs_inode_has_valid_blocks(&inode) &&
|
||||
if (ext2fs_inode_has_valid_blocks(inode) &&
|
||||
(rfs->bmap || pb.is_dir)) {
|
||||
pb.ino = ino;
|
||||
retval = ext2fs_block_iterate2(rfs->old_fs,
|
||||
|
@ -1221,23 +1220,19 @@ static errcode_t inode_scan_and_fix(ext2_resize_t rfs)
|
|||
}
|
||||
}
|
||||
ext2fs_mark_inode_bitmap(rfs->new_fs->inode_map, new_inode);
|
||||
memcpy(buf, &inode, sizeof(struct ext2_inode));
|
||||
large_inode = (struct ext2_inode_large *)buf;
|
||||
large_inode->i_extra_isize = sizeof(struct ext2_inode_large) -
|
||||
EXT2_GOOD_OLD_INODE_SIZE;
|
||||
if (pb.changed) {
|
||||
/* Get the new version of the inode */
|
||||
retval = ext2fs_read_inode_full(rfs->old_fs, ino,
|
||||
buf, inode_size);
|
||||
inode, inode_size);
|
||||
if (retval) goto errout;
|
||||
}
|
||||
inode.i_ctime = time(0);
|
||||
inode->i_ctime = time(0);
|
||||
retval = ext2fs_write_inode_full(rfs->old_fs, new_inode,
|
||||
buf, inode_size);
|
||||
inode, inode_size);
|
||||
if (retval) goto errout;
|
||||
|
||||
group = (new_inode-1) / EXT2_INODES_PER_GROUP(rfs->new_fs->super);
|
||||
if (LINUX_S_ISDIR(inode.i_mode))
|
||||
if (LINUX_S_ISDIR(inode->i_mode))
|
||||
rfs->new_fs->group_desc[group].bg_used_dirs_count++;
|
||||
|
||||
#ifdef RESIZE2FS_DEBUG
|
||||
|
@ -1263,8 +1258,8 @@ errout:
|
|||
ext2fs_close_inode_scan(scan);
|
||||
if (block_buf)
|
||||
ext2fs_free_mem(&block_buf);
|
||||
if (buf)
|
||||
free(buf);
|
||||
if (inode)
|
||||
free(inode);
|
||||
return retval;
|
||||
}
|
||||
|
||||
|
|
Loading…
Reference in New Issue