f2fs: preserve extent info for extent cache
authorChao Yu <chao2.yu@samsung.com>
Thu, 19 Mar 2015 11:27:51 +0000 (19:27 +0800)
committerJaegeuk Kim <jaegeuk@kernel.org>
Fri, 10 Apr 2015 22:08:51 +0000 (15:08 -0700)
commit0bdee482509fe8c3cf0e66231ed37b8e70954093
tree2477ba4cbcefcbf2fce8e860e1d7e70c6aafa524
parent028a41e89383e1208dff1afe3e260b8cb6d3431c
f2fs: preserve extent info for extent cache

This patch tries to preserve last extent info in extent tree cache into on-disk
inode, so this can help us to reuse the last extent info next time for
performance.

Signed-off-by: Chao Yu <chao2.yu@samsung.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
fs/f2fs/data.c
fs/f2fs/f2fs.h
fs/f2fs/inode.c