Messages in this thread | | | From | Chao Yu <> | Subject | RE: [f2fs-dev] [PATCH 06/12] f2fs: update on-disk extents even under extent_cache | Date | Tue, 30 Jun 2015 11:10:25 +0800 |
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> -----Original Message----- > From: Jaegeuk Kim [mailto:jaegeuk@kernel.org] > Sent: Tuesday, June 30, 2015 2:40 AM > To: linux-kernel@vger.kernel.org; linux-fsdevel@vger.kernel.org; > linux-f2fs-devel@lists.sourceforge.net > Cc: Jaegeuk Kim > Subject: [f2fs-dev] [PATCH 06/12] f2fs: update on-disk extents even under extent_cache > > Previously, f2fs_update_extent_cache() updates in-memory extent_cache all the > time, and then finally preserves its up-to-date extent into on-disk one during > f2fs_evict_inode. > > But, in the following scenario: > > 1. mount > 2. open & write an extent X > 3. f2fs_evict_inode; on-disk extent is X > 4. open & update the extent X with Y > 5. sync; trigger checkpoint > 6. power-cut > > after power-on, f2fs should serve extent Y, but we have an on-disk extent X. > > This causes a failure on xfstests/311. > > Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
Reviewed-by: Chao Yu <chao2.yu@samsung.com>
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