When underlying block device becomes unavailable (e.g. someone pulling an
USB stick from under us), kernel produces warning about non-uptodate buffer
(superblock) being marked dirty. Silence these warnings by making buffer
uptodate before marking it dirty.
Signed-off-by: Jan Kara <jack@suse.cz>
---
fs/ext4/super.c | 2 ++
1 files changed, 2 insertions(+), 0 deletions(-)
diff --git a/fs/ext4/super.c b/fs/ext4/super.c
index 09d9359..298c94f 100644
--- a/fs/ext4/super.c
+++ b/fs/ext4/super.c
@@ -510,6 +510,7 @@ static void ext4_put_super (struct super_block * sb)
EXT4_CLEAR_INCOMPAT_FEATURE(sb, EXT4_FEATURE_INCOMPAT_RECOVER);
es->s_state = cpu_to_le16(sbi->s_mount_state);
BUFFER_TRACE(sbi->s_sbh, "marking dirty");
+ set_buffer_uptodate(sbi->s_sbh);
mark_buffer_dirty(sbi->s_sbh);
ext4_commit_super(sb, es, 1);
}
@@ -2659,6 +2660,7 @@ static void ext4_commit_super (struct super_block * sb,
ext4_free_blocks_count_set(es, ext4_count_free_blocks(sb));
es->s_free_inodes_count = cpu_to_le32(ext4_count_free_inodes(sb));
BUFFER_TRACE(sbh, "marking dirty");
+ set_buffer_uptodate(sbh);
mark_buffer_dirty(sbh);
if (sync)
sync_dirty_buffer(sbh);
--
1.5.2.4
--
