f2fs: fallocate data blocks in single locked node page

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This patch is to improve the expand_inode speed in fallocate by allocating
data blocks as many as possible in single locked node page.

In SSD,
 # time fallocate -l 500G $MNT/testfile

Before : 1m 33.410 s
After  : 24.758 s

Reported-by: Stephen Bates <stephen.bates@microsemi.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>

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This commit is contained in:

Jaegeuk Kim 2016-05-06 15:30:38 -07:00

parent f61cce5b81

commit e12dd7bd87

1 changed files with 22 additions and 29 deletions

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51

fs/f2fs/file.c

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