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nilfs2: add nilfs_sufile_trim_fs to trim clean segs
authorAndreas Rohner <andreas.rohner@gmx.net>
Thu, 3 Apr 2014 21:50:29 +0000 (14:50 -0700)
committerLinus Torvalds <torvalds@linux-foundation.org>
Thu, 3 Apr 2014 23:21:25 +0000 (16:21 -0700)
Add nilfs_sufile_trim_fs(), which takes an fstrim_range structure and
calls blkdev_issue_discard for every clean segment in the specified
range.  The range is truncated to file system block boundaries.

Signed-off-by: Andreas Rohner <andreas.rohner@gmx.net>
Signed-off-by: Ryusuke Konishi <konishi.ryusuke@lab.ntt.co.jp>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
fs/nilfs2/sufile.c patch | blob | history
fs/nilfs2/sufile.h patch | blob | history

diff --cc fs/nilfs2/sufile.c
Simple merge
diff --cc fs/nilfs2/sufile.h
Simple merge
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