nilfs2: add nilfs_sufile_trim_fs to trim clean segs

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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>

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Andreas Rohner 2014-04-03 14:50:29 -07:00 • committed by Linus Torvalds

parent 2cc88f3a5f

commit 82e11e857b

2 changed files with 153 additions and 0 deletions

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152

fs/nilfs2/sufile.c

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1

fs/nilfs2/sufile.h

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