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nilfs2: set bio unplug flag for the last bio in segment 

This sets BIO_RW_UNPLUG flag on the last bio of each segment during
write.  The last bio should be unplugged immediately because the
caller waits for the completion after the submission.

Signed-off-by: Ryusuke Konishi <konishi.ryusuke@lab.ntt.co.jp>
This commit is contained in:
Ryusuke Konishi 2009-05-17 10:57:43 +09:00
parent 003ff182fd
commit 30bda0b8ae
1 changed files with 1 additions and 1 deletions
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2
fs/nilfs2/segbuf.c
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@ -393,7 +393,7 @@ int nilfs_segbuf_write(struct nilfs_segment_buffer *segbuf,
* Last BIO is always sent through the following
* submission.
*/
rw |= (1 << BIO_RW_SYNCIO);
rw |= (1 << BIO_RW_SYNCIO) | (1 << BIO_RW_UNPLUG);
res = nilfs_submit_seg_bio(wi, rw);
if (unlikely(res))
goto failed_bio;