tree 449d6caa46fd24d069a06c8d70215d4013aa2d5b
parent 3e72f721390dc14e7b33fda812843c0725810106
author Jaegeuk Kim <jaegeuk@kernel.org> 1435618874 -0700
committer Jaegeuk Kim <jaegeuk@kernel.org> 1438722596 -0700

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.

Reviewed-by: Chao Yu <chao2.yu@samsung.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>