summaryrefslogtreecommitdiffstats
path: root/include/linux/nilfs2_fs.h
diff options
context:
space:
mode:
authorJiro SEKIBA <jir@unicus.jp>2010-01-30 18:06:35 +0900
committerRyusuke Konishi <konishi.ryusuke@lab.ntt.co.jp>2010-02-13 12:26:02 +0900
commite902ec9906e844f4613fa6190c6fa65f162dc86e (patch)
treeee0ea829ae04a30fb01c119f050a3967304e55ba /include/linux/nilfs2_fs.h
parent724e6d3fe8003c3f60bf404bf22e4e331327c596 (diff)
downloadblackbird-op-linux-e902ec9906e844f4613fa6190c6fa65f162dc86e.tar.gz
blackbird-op-linux-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.h1
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 */
/**
OpenPOWER on IntegriCloud