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Code Issues Releases Wiki Activity

Fix the rest of block bitmap differences

master
Vitaliy Filippov 2016-09-25 22:47:13 +03:00
parent f58c260dc4
commit b9b963d427
1 changed files with 26 additions and 23 deletions
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49
resize/resize2fs.c
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@ -1373,7 +1373,8 @@ static errcode_t blocks_to_move(ext2_resize_t rfs)
// We may need to move some blocks away (mainly if extending inode tables)
group_blk = ext2fs_inode_table_loc(fs, g)+fs->inode_blocks_per_group;
for (blk = ext2fs_inode_table_loc(fs, g); blk < group_blk; blk++) {
if (ext2fs_test_block_bitmap2(old_fs->block_map, blk) &&
if (blk < ext2fs_blocks_count(old_fs->super) &&
ext2fs_test_block_bitmap2(old_fs->block_map, blk) &&
!ext2fs_test_block_bitmap2(meta_bmap, blk)) {
ext2fs_mark_block_bitmap2(rfs->move_blocks, blk);
rfs->needed_blocks++;
@ -2109,7 +2110,7 @@ static errcode_t inodes_to_move(ext2_resize_t rfs)
start_to_move = (rfs->new_fs->group_desc_count *
rfs->old_fs->super->s_inodes_per_group);
for (ino = start_to_move; ino <= rfs->old_fs->group_desc_count * rfs->old_fs->super->s_inodes_per_group; ino++) {
for (ino = start_to_move+1; ino <= rfs->old_fs->group_desc_count * rfs->old_fs->super->s_inodes_per_group; ino++) {
ext2fs_mark_inode_bitmap2(rfs->old_fs->inode_map, ino);
}
if (shrink_inodes) {
@ -2199,9 +2200,9 @@ static errcode_t inodes_to_move(ext2_resize_t rfs)
/*
* Update inodes to point to new blocks.
*/
pb.is_dir = LINUX_S_ISDIR(inode->i_mode);
if (ext2fs_inode_has_valid_blocks2(rfs->old_fs, inode) && rfs->bmap) {
pb.changed = 0;
pb.is_dir = LINUX_S_ISDIR(inode->i_mode);
pb.ino = ino;
pb.old_ino = ino; // FIXME debug output will show translated inodes
pb.has_extents = inode->i_flags & EXT4_EXTENTS_FL;
@ -2364,7 +2365,7 @@ static errcode_t move_inode_tables(ext2_resize_t rfs)
__u32 old_ibg = rfs->old_fs->inode_blocks_per_group;
__u32 new_ibg = rfs->new_fs->inode_blocks_per_group;
int retval;
blk64_t size, blk;
blk64_t size, blk, ib;
int change_inodes = old_ibg != new_ibg;
__u32 unused, ino, old_ino, i;
ext2fs_block_bitmap meta_bmap = NULL;
@ -2402,9 +2403,7 @@ static errcode_t move_inode_tables(ext2_resize_t rfs)
ext2fs_bg_free_inodes_count(rfs->new_fs, g),
ext2fs_bg_itable_unused(rfs->old_fs, g),
ext2fs_bg_itable_unused(rfs->new_fs, g));
if ((change_inodes || ext2fs_inode_table_loc(rfs->new_fs, g) != ext2fs_inode_table_loc(rfs->old_fs, g)) &&
(!ext2fs_has_group_desc_csum(rfs->new_fs) ||
!ext2fs_bg_flags_test(rfs->new_fs, g, EXT2_BG_INODE_UNINIT)))
if (change_inodes || ext2fs_inode_table_loc(rfs->new_fs, g) != ext2fs_inode_table_loc(rfs->old_fs, g))
{
move_count++;
if (move_count == 1)
@ -2419,27 +2418,31 @@ static errcode_t move_inode_tables(ext2_resize_t rfs)
if (move_count > 0)
{
end_g = g;
for (g = move_start+move_count; g > move_start; g--)
for (i = 0, g = move_start+move_count-1; i < move_count; i++, g--)
{
retval = io_channel_read_blk64(rfs->new_fs->io, ext2fs_inode_table_loc(rfs->old_fs, g-1), size, rfs->itable_buf);
if (retval)
return retval;
retval = io_channel_write_blk64(rfs->new_fs->io, ext2fs_inode_table_loc(rfs->new_fs, g-1), size, rfs->itable_buf);
if (retval)
return retval;
if (new_ibg > old_ibg)
if (!ext2fs_has_group_desc_csum(rfs->new_fs) ||
!ext2fs_bg_flags_test(rfs->new_fs, g, EXT2_BG_INODE_UNINIT))
{
retval = ext2fs_zero_blocks2(rfs->new_fs,
ext2fs_inode_table_loc(rfs->new_fs, g-1)+old_ibg,
new_ibg-old_ibg, NULL, NULL);
retval = io_channel_read_blk64(rfs->new_fs->io, ext2fs_inode_table_loc(rfs->old_fs, g), size, rfs->itable_buf);
if (retval)
return retval;
retval = io_channel_write_blk64(rfs->new_fs->io, ext2fs_inode_table_loc(rfs->new_fs, g), size, rfs->itable_buf);
if (retval)
return retval;
if (new_ibg > old_ibg)
{
retval = ext2fs_zero_blocks2(rfs->new_fs,
ext2fs_inode_table_loc(rfs->new_fs, g)+old_ibg,
new_ibg-old_ibg, NULL, NULL);
if (retval)
return retval;
}
}
blk = ext2fs_inode_table_loc(rfs->old_fs, g-1);
for (i = 0; i < old_ibg; i++)
if (!ext2fs_test_block_bitmap2(meta_bmap, blk+i))
ext2fs_unmark_block_bitmap2(rfs->new_fs->block_map, blk+i);
ext2fs_mark_block_bitmap_range2(rfs->new_fs->block_map, ext2fs_inode_table_loc(rfs->new_fs, g-1), new_ibg);
blk = ext2fs_inode_table_loc(rfs->old_fs, g);
for (ib = 0; ib < old_ibg; ib++)
if (!ext2fs_test_block_bitmap2(meta_bmap, blk+ib))
ext2fs_unmark_block_bitmap2(rfs->new_fs->block_map, blk+ib);
ext2fs_mark_block_bitmap_range2(rfs->new_fs->block_map, ext2fs_inode_table_loc(rfs->new_fs, g), new_ibg);
}
move_start = move_count = 0;
g = end_g;