From: Theodore Ts'o <tytso@mit.edu>
Date: Mon, 1 Jan 2018 23:59:16 +0000 (-0500)
Subject: libext2fs: when writing bitmaps mark the fs as dirty if necessary
X-Git-Tag: v1.43.8~7
X-Git-Url: https://git.whamcloud.com/?a=commitdiff_plain;h=0cdda6cb753657fcd92f2c02198137bd2a65787a;p=tools%2Fe2fsprogs.git

libext2fs: when writing bitmaps mark the fs as dirty if necessary

If any checksum fields are updated in the block group descriptors, we
need to set the EXT2_FLAG_DIRTY flag so that the block group
descriptors are written to disk.

Addresses-Debian-Bug: #883869

Signed-off-by: Theodore Ts'o <tytso@mit.edu>
---

diff --git a/lib/ext2fs/rw_bitmaps.c b/lib/ext2fs/rw_bitmaps.c
index ae593d4..9db76eb 100644
--- a/lib/ext2fs/rw_bitmaps.c
+++ b/lib/ext2fs/rw_bitmaps.c
@@ -94,6 +94,7 @@ static errcode_t write_bitmaps(ext2_filsys fs, int do_inode, int do_block)
 		if (retval)
 			return retval;
 		ext2fs_group_desc_csum_set(fs, i);
+		fs->flags |= EXT2_FLAG_DIRTY;
 
 		blk = ext2fs_block_bitmap_loc(fs, i);
 		if (blk) {
@@ -125,6 +126,7 @@ static errcode_t write_bitmaps(ext2_filsys fs, int do_inode, int do_block)
 		if (retval)
 			goto errout;
 		ext2fs_group_desc_csum_set(fs, i);
+		fs->flags |= EXT2_FLAG_DIRTY;
 
 		blk = ext2fs_inode_bitmap_loc(fs, i);
 		if (blk) {