RE: [f2fs-dev] [PATCH 1/2] f2fs: check the largest extent at look-up time

[Chao Yu]

> -----Original Message-----
> From: Jaegeuk Kim [mailto:jaegeuk@xxxxxxxxxx]
> Sent: Wednesday, July 01, 2015 9:26 AM
> To: linux-kernel@xxxxxxxxxxxxxxx; linux-fsdevel@xxxxxxxxxxxxxxx;
> linux-f2fs-devel@xxxxxxxxxxxxxxxxxxxxx; linux-kernel@xxxxxxxxxxxxxxx;
> linux-fsdevel@xxxxxxxxxxxxxxx; linux-f2fs-devel@xxxxxxxxxxxxxxxxxxxxx
> Cc: Jaegeuk Kim; Jaegeuk Kim
> Subject: [f2fs-dev] [PATCH 1/2] f2fs: check the largest extent at look-up time
> 
> Because of the extent shrinker or other -ENOMEM scenarios, it cannot guarantee
> that the largest extent would be cached in the tree all the time.
> 
> Instead of relying on extent_tree, we can simply check the cached one in extent
> tree accordingly.
> 
> Signed-off-by: Jaegeuk Kim <jaegeuk@xxxxxxxxxx>

Reviewed-by: Chao Yu <chao2.yu@xxxxxxxxxxx>
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