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authorAndrew Morton <akpm@linux-foundation.org>2007-10-16 23:30:33 -0700
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2007-10-17 08:43:02 -0700
commit9852a0e76cd9c89e71f84e784212fdd7a97ae93a (patch)
treee655477605be55176a99a01e14e3b60454bd2012 /fs/fs-writeback.c
parent6610a0bc8dcc120daa1d93807d470d5cbf777c39 (diff)
writeback: fix time ordering of the per superblock dirty inode lists: memory-backed inodes
For reasons which escape me, inodes which are dirty against a ram-backed filesystem are managed in the same way as inodes which are backed by real devices. Probably we could optimise things here. But given that we skip the entire supeblock as son as we hit the first dirty inode, there's not a lot to be gained. And the code does need to handle one particular non-backed superblock: the kernel's fake internal superblock which holds all the blockdevs. Still. At present when the code encounters an inode which is dirty against a memory-backed filesystem it will skip that inode by refiling it back onto s_dirty. But it fails to update the inode's timestamp when doing so which at least makes the debugging code upset. Fix. Cc: Mike Waychison <mikew@google.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'fs/fs-writeback.c')
-rw-r--r--fs/fs-writeback.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/fs/fs-writeback.c b/fs/fs-writeback.c
index 08b9f83b645..f8618e0bb62 100644
--- a/fs/fs-writeback.c
+++ b/fs/fs-writeback.c
@@ -354,7 +354,7 @@ sync_sb_inodes(struct super_block *sb, struct writeback_control *wbc)
long pages_skipped;
if (!bdi_cap_writeback_dirty(bdi)) {
- list_move(&inode->i_list, &sb->s_dirty);
+ redirty_tail(inode);
if (sb_is_blkdev_sb(sb)) {
/*
* Dirty memory-backed blockdev: the ramdisk