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| author | Jiro SEKIBA <jir@unicus.jp> | 2010-01-30 18:06:35 +0900 |
|---|---|---|
| committer | Ryusuke Konishi <konishi.ryusuke@lab.ntt.co.jp> | 2010-02-13 12:26:02 +0900 |
| commit | e902ec9906e844f4613fa6190c6fa65f162dc86e (patch) | |
| tree | ee0ea829ae04a30fb01c119f050a3967304e55ba /include/linux/nilfs2_fs.h | |
| parent | 724e6d3fe8003c3f60bf404bf22e4e331327c596 (diff) | |
| download | lwn-e902ec9906e844f4613fa6190c6fa65f162dc86e.tar.gz lwn-e902ec9906e844f4613fa6190c6fa65f162dc86e.zip | |
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 'include/linux/nilfs2_fs.h')
| -rw-r--r-- | include/linux/nilfs2_fs.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/include/linux/nilfs2_fs.h b/include/linux/nilfs2_fs.h index 3fe02cf8b65a..640702e97457 100644 --- a/include/linux/nilfs2_fs.h +++ b/include/linux/nilfs2_fs.h @@ -153,6 +153,7 @@ struct nilfs_super_root { semantics also for data */ #define NILFS_MOUNT_NORECOVERY 0x4000 /* Disable write access during mount-time recovery */ +#define NILFS_MOUNT_DISCARD 0x8000 /* Issue DISCARD requests */ /** |