From: Jose R. Santos <jrs@xxxxxxxxxx>
Make resize2fs uninit block group aware.
Signed-off-by: Jose R. Santos <jrs@xxxxxxxxxx>
--
resize/main.c | 7 +++++++
resize/resize2fs.c | 29 ++++++++++++++++++++++++-----
2 files changed, 31 insertions(+), 5 deletions(-)
diff --git a/resize/main.c b/resize/main.c
index 7db4ebc..7c1d0c1 100644
--- a/resize/main.c
+++ b/resize/main.c
@@ -298,6 +298,13 @@ int main (int argc, char ** argv)
printf (_("Couldn't find valid filesystem superblock.\n"));
exit (1);
}
+
+ if (fs->super->s_feature_ro_compat & EXT4_FEATURE_RO_COMPAT_GDT_CSUM) {
+ com_err(program_name, EXT2_ET_RO_UNSUPP_FEATURE,
+ ":- uninit_groups");
+ exit(1);
+ }
+
/*
* Check for compatibility with the feature sets. We need to
* be more stringent than ext2fs_open().
diff --git a/resize/resize2fs.c b/resize/resize2fs.c
index 0d6a082..ce0111c 100644
--- a/resize/resize2fs.c
+++ b/resize/resize2fs.c
@@ -339,7 +339,9 @@ retry:
numblocks = fs->super->s_blocks_per_group;
i = old_fs->group_desc_count - 1;
fs->group_desc[i].bg_free_blocks_count += (numblocks-old_numblocks);
-
+ fs->group_desc[i].bg_checksum =
+ ext2fs_group_desc_csum(fs->super, i, &fs->group_desc[i]);
+
/*
* If the number of block groups is staying the same, we're
* done and can exit now. (If the number block groups is
@@ -415,6 +417,8 @@ retry:
fs->group_desc[i].bg_free_inodes_count =
fs->super->s_inodes_per_group;
fs->group_desc[i].bg_used_dirs_count = 0;
+ fs->group_desc[i].bg_checksum =
+ ext2fs_group_desc_csum(fs->super, i,&fs->group_desc[i]);
retval = ext2fs_allocate_group_table(fs, i, 0);
if (retval) goto errout;
@@ -1223,9 +1227,13 @@ static errcode_t inode_scan_and_fix(ext2_resize_t rfs)
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++;
-
+ rfs->new_fs->group_desc[group].bg_checksum =
+ ext2fs_group_desc_csum(rfs->new_fs->super,group,
+ &rfs->new_fs->group_desc[group]);
+ }
+
#ifdef RESIZE2FS_DEBUG
if (rfs->flags & RESIZE_DEBUG_INODEMAP)
printf("Inode moved %u->%u\n", ino, new_inode);
@@ -1478,6 +1486,9 @@ static errcode_t move_itables(ext2_resize_t rfs)
ext2fs_unmark_block_bitmap(fs->block_map, blk);
rfs->old_fs->group_desc[i].bg_inode_table = new_blk;
+ rfs->old_fs->group_desc[i].bg_checksum =
+ ext2fs_group_desc_csum(rfs->old_fs->super, i,
+ &rfs->old_fs->group_desc[i]);
ext2fs_mark_super_dirty(rfs->old_fs);
ext2fs_flush(rfs->old_fs);
@@ -1575,8 +1586,12 @@ static errcode_t ext2fs_calculate_summary_stats(ext2_filsys fs)
count++;
if ((count == fs->super->s_blocks_per_group) ||
(blk == fs->super->s_blocks_count-1)) {
- fs->group_desc[group++].bg_free_blocks_count =
+ fs->group_desc[group].bg_free_blocks_count =
group_free;
+ fs->group_desc[group].bg_checksum =
+ ext2fs_group_desc_csum(fs->super, group,
+ &fs->group_desc[group]);
+ group++;
count = 0;
group_free = 0;
}
@@ -1600,8 +1615,12 @@ static errcode_t ext2fs_calculate_summary_stats(ext2_filsys fs)
count++;
if ((count == fs->super->s_inodes_per_group) ||
(ino == fs->super->s_inodes_count)) {
- fs->group_desc[group++].bg_free_inodes_count =
+ fs->group_desc[group].bg_free_inodes_count =
group_free;
+ fs->group_desc[group].bg_checksum =
+ ext2fs_group_desc_csum(fs->super, group,
+ &fs->group_desc[group]);
+ group++;
count = 0;
group_free = 0;
}
-
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