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authorJiro SEKIBA <jir@unicus.jp>2010-01-30 12:06:35 +0300
committerRyusuke Konishi <konishi.ryusuke@lab.ntt.co.jp>2010-02-13 06:26:02 +0300
commite902ec9906e844f4613fa6190c6fa65f162dc86e (patch)
treeee0ea829ae04a30fb01c119f050a3967304e55ba /fs/nilfs2/the_nilfs.h
parent724e6d3fe8003c3f60bf404bf22e4e331327c596 (diff)
downloadlinux-e902ec9906e844f4613fa6190c6fa65f162dc86e.tar.xz
nilfs2: issue discard request after cleaning segments
This adds a function to send discard requests for given array of segment numbers, and calls the function when garbage collection succeeded. Signed-off-by: Jiro SEKIBA <jir@unicus.jp> Signed-off-by: Ryusuke Konishi <konishi.ryusuke@lab.ntt.co.jp>
Diffstat (limited to 'fs/nilfs2/the_nilfs.h')
-rw-r--r--fs/nilfs2/the_nilfs.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/fs/nilfs2/the_nilfs.h b/fs/nilfs2/the_nilfs.h
index 589786e33464..fd057f8ad439 100644
--- a/fs/nilfs2/the_nilfs.h
+++ b/fs/nilfs2/the_nilfs.h
@@ -221,6 +221,7 @@ struct the_nilfs *find_or_create_nilfs(struct block_device *);
void put_nilfs(struct the_nilfs *);
int init_nilfs(struct the_nilfs *, struct nilfs_sb_info *, char *);
int load_nilfs(struct the_nilfs *, struct nilfs_sb_info *);
+int nilfs_discard_segments(struct the_nilfs *, __u64 *, size_t);
int nilfs_count_free_blocks(struct the_nilfs *, sector_t *);
struct nilfs_sb_info *nilfs_find_sbinfo(struct the_nilfs *, int, __u64);
int nilfs_checkpoint_is_mounted(struct the_nilfs *, __u64, int);