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| author | Jan Kara <jack@suse.cz> | 2014-02-21 14:19:04 +0400 |
|---|---|---|
| committer | Jan Kara <jack@suse.cz> | 2014-02-22 05:02:28 +0400 |
| commit | 0dc83bd30b0bf5410c0933cfbbf8853248eff0a9 (patch) | |
| tree | 66b8f3ebdd4a6c0de6f82e449c7e037170e26b81 /include/linux/writeback.h | |
| parent | 1362f4ea20fa63688ba6026e586d9746ff13a846 (diff) | |
| download | linux-0dc83bd30b0bf5410c0933cfbbf8853248eff0a9.tar.xz | |
Revert "writeback: do not sync data dirtied after sync start"
This reverts commit c4a391b53a72d2df4ee97f96f78c1d5971b47489. Dave
Chinner <david@fromorbit.com> has reported the commit may cause some
inodes to be left out from sync(2). This is because we can call
redirty_tail() for some inode (which sets i_dirtied_when to current time)
after sync(2) has started or similarly requeue_inode() can set
i_dirtied_when to current time if writeback had to skip some pages. The
real problem is in the functions clobbering i_dirtied_when but fixing
that isn't trivial so revert is a safer choice for now.
CC: stable@vger.kernel.org # >= 3.13
Signed-off-by: Jan Kara <jack@suse.cz>
Diffstat (limited to 'include/linux/writeback.h')
| -rw-r--r-- | include/linux/writeback.h | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/include/linux/writeback.h b/include/linux/writeback.h index fc0e4320aa6d..021b8a319b9e 100644 --- a/include/linux/writeback.h +++ b/include/linux/writeback.h @@ -97,7 +97,7 @@ void writeback_inodes_sb_nr(struct super_block *, unsigned long nr, int try_to_writeback_inodes_sb(struct super_block *, enum wb_reason reason); int try_to_writeback_inodes_sb_nr(struct super_block *, unsigned long nr, enum wb_reason reason); -void sync_inodes_sb(struct super_block *sb, unsigned long older_than_this); +void sync_inodes_sb(struct super_block *); void wakeup_flusher_threads(long nr_pages, enum wb_reason reason); void inode_wait_for_writeback(struct inode *inode); |