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authorNamhyung Kim <namhyung@gmail.com>2011-08-25 14:43:34 +1000
committerNeilBrown <neilb@suse.de>2011-08-25 14:43:34 +1000
commita5bf4df0c88b88d34b6f0e3bc8a402dac7d14611 (patch)
tree40296244aa28ddff0360a1a57878a99926243620 /drivers/md
parentaeb9b211849621f592288ed5ad694de9eeaae87a (diff)
md: use REQ_NOIDLE flag in md_super_write()
Queue idling is used for the anticipation of immediate sequencial I/O's but md_super_write() is a kind of one- shot operation, coupled with md_super_wait(), so the idling in this case will be just a waste of time. Specifying REQ_NOIDLE prevents it. Instead of adding the flag to submit_bio() directly, use pre-defined macro WRITE_FLUSH_FUA. Signed-off-by: Namhyung Kim <namhyung@gmail.com> Signed-off-by: NeilBrown <neilb@suse.de>
Diffstat (limited to 'drivers/md')
-rw-r--r--drivers/md/md.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/md/md.c b/drivers/md/md.c
index 9a880239219d..aca611711264 100644
--- a/drivers/md/md.c
+++ b/drivers/md/md.c
@@ -848,7 +848,7 @@ void md_super_write(mddev_t *mddev, mdk_rdev_t *rdev,
bio->bi_end_io = super_written;
atomic_inc(&mddev->pending_writes);
- submit_bio(REQ_WRITE | REQ_SYNC | REQ_FLUSH | REQ_FUA, bio);
+ submit_bio(WRITE_FLUSH_FUA, bio);
}
void md_super_wait(mddev_t *mddev)