summaryrefslogtreecommitdiffstats
path: root/block/blk-core.c
diff options
context:
space:
mode:
authorJiri Kosina <jkosina@suse.cz>2010-08-04 15:14:38 +0200
committerJiri Kosina <jkosina@suse.cz>2010-08-04 15:14:38 +0200
commitd790d4d583aeaed9fc6f8a9f4d9f8ce6b1c15c7f (patch)
tree854ab394486288d40fa8179cbfaf66e8bdc44b0f /block/blk-core.c
parent73b2c7165b76b20eb1290e7efebc33cfd21db1ca (diff)
parent3a09b1be53d23df780a0cd0e4087a05e2ca4a00c (diff)
downloadop-kernel-dev-d790d4d583aeaed9fc6f8a9f4d9f8ce6b1c15c7f.zip
op-kernel-dev-d790d4d583aeaed9fc6f8a9f4d9f8ce6b1c15c7f.tar.gz
Merge branch 'master' into for-next
Diffstat (limited to 'block/blk-core.c')
-rw-r--r--block/blk-core.c9
1 files changed, 3 insertions, 6 deletions
diff --git a/block/blk-core.c b/block/blk-core.c
index f84cce4..f0640d7 100644
--- a/block/blk-core.c
+++ b/block/blk-core.c
@@ -1149,13 +1149,10 @@ void init_request_from_bio(struct request *req, struct bio *bio)
else
req->cmd_flags |= bio->bi_rw & REQ_FAILFAST_MASK;
- if (unlikely(bio_rw_flagged(bio, BIO_RW_DISCARD))) {
+ if (bio_rw_flagged(bio, BIO_RW_DISCARD))
req->cmd_flags |= REQ_DISCARD;
- if (bio_rw_flagged(bio, BIO_RW_BARRIER))
- req->cmd_flags |= REQ_SOFTBARRIER;
- } else if (unlikely(bio_rw_flagged(bio, BIO_RW_BARRIER)))
+ if (bio_rw_flagged(bio, BIO_RW_BARRIER))
req->cmd_flags |= REQ_HARDBARRIER;
-
if (bio_rw_flagged(bio, BIO_RW_SYNCIO))
req->cmd_flags |= REQ_RW_SYNC;
if (bio_rw_flagged(bio, BIO_RW_META))
@@ -1586,7 +1583,7 @@ void submit_bio(int rw, struct bio *bio)
* If it's a regular read/write or a barrier with data attached,
* go through the normal accounting stuff before submission.
*/
- if (bio_has_data(bio)) {
+ if (bio_has_data(bio) && !(rw & (1 << BIO_RW_DISCARD))) {
if (rw & WRITE) {
count_vm_events(PGPGOUT, count);
} else {
OpenPOWER on IntegriCloud