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| author | Andreas Rohner <andreas.rohner@gmx.net> | 2014-04-03 23:50:29 +0200 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2014-04-04 01:21:25 +0200 |
| commit | 82e11e857be3ffd2a0a952c9db8aa2379e2b9e44 (patch) | |
| tree | cec1b7aeec361bf287c359d0a2c00c1c3315ffe0 /fs/nilfs2/sufile.h | |
| parent | nilfs2: implementation of NILFS_IOCTL_SET_SUINFO ioctl (diff) | |
| download | linux-82e11e857be3ffd2a0a952c9db8aa2379e2b9e44.tar.xz linux-82e11e857be3ffd2a0a952c9db8aa2379e2b9e44.zip | |
nilfs2: add nilfs_sufile_trim_fs to trim clean segs
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>
Diffstat (limited to 'fs/nilfs2/sufile.h')
| -rw-r--r-- | fs/nilfs2/sufile.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/fs/nilfs2/sufile.h b/fs/nilfs2/sufile.h index 366003c93ec9..b8afd72f2379 100644 --- a/fs/nilfs2/sufile.h +++ b/fs/nilfs2/sufile.h @@ -66,6 +66,7 @@ void nilfs_sufile_do_set_error(struct inode *, __u64, struct buffer_head *, int nilfs_sufile_resize(struct inode *sufile, __u64 newnsegs); int nilfs_sufile_read(struct super_block *sb, size_t susize, struct nilfs_inode *raw_inode, struct inode **inodep); +int nilfs_sufile_trim_fs(struct inode *sufile, struct fstrim_range *range); /** * nilfs_sufile_scrap - make a segment garbage |