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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 /fs/nilfs2/segment.c | |
| parent | 724e6d3fe8003c3f60bf404bf22e4e331327c596 (diff) | |
| download | kernel_samsung_aries-e902ec9906e844f4613fa6190c6fa65f162dc86e.zip kernel_samsung_aries-e902ec9906e844f4613fa6190c6fa65f162dc86e.tar.gz kernel_samsung_aries-e902ec9906e844f4613fa6190c6fa65f162dc86e.tar.bz2 | |
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/segment.c')
| -rw-r--r-- | fs/nilfs2/segment.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/fs/nilfs2/segment.c b/fs/nilfs2/segment.c index 105b508..9280b0f 100644 --- a/fs/nilfs2/segment.c +++ b/fs/nilfs2/segment.c @@ -2560,6 +2560,16 @@ int nilfs_clean_segments(struct super_block *sb, struct nilfs_argv *argv, set_current_state(TASK_INTERRUPTIBLE); schedule_timeout(sci->sc_interval); } + if (nilfs_test_opt(sbi, DISCARD)) { + int ret = nilfs_discard_segments(nilfs, sci->sc_freesegs, + sci->sc_nfreesegs); + if (ret) { + printk(KERN_WARNING + "NILFS warning: error %d on discard request, " + "turning discards off for the device\n", ret); + nilfs_clear_opt(sbi, DISCARD); + } + } out_unlock: sci->sc_freesegs = NULL; |