diff options
author | Linus Torvalds <torvalds@linux-foundation.org> | 2009-09-14 17:55:15 -0700 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2009-09-14 17:55:15 -0700 |
commit | 355bbd8cb82e60a592f6cd86ce6dbe5677615cf4 (patch) | |
tree | 23678e50ad4687f1656edc972388ee8014e7b89d /block/elevator.c | |
parent | 39695224bd84dc4be29abad93a0ec232a16fc519 (diff) | |
parent | 746cd1e7e4a555ddaee53b19a46e05c9c61eaf09 (diff) |
Merge branch 'for-2.6.32' of git://git.kernel.dk/linux-2.6-block
* 'for-2.6.32' of git://git.kernel.dk/linux-2.6-block: (29 commits)
block: use blkdev_issue_discard in blk_ioctl_discard
Make DISCARD_BARRIER and DISCARD_NOBARRIER writes instead of reads
block: don't assume device has a request list backing in nr_requests store
block: Optimal I/O limit wrapper
cfq: choose a new next_req when a request is dispatched
Seperate read and write statistics of in_flight requests
aoe: end barrier bios with EOPNOTSUPP
block: trace bio queueing trial only when it occurs
block: enable rq CPU completion affinity by default
cfq: fix the log message after dispatched a request
block: use printk_once
cciss: memory leak in cciss_init_one()
splice: update mtime and atime on files
block: make blk_iopoll_prep_sched() follow normal 0/1 return convention
cfq-iosched: get rid of must_alloc flag
block: use interrupts disabled version of raise_softirq_irqoff()
block: fix comment in blk-iopoll.c
block: adjust default budget for blk-iopoll
block: fix long lines in block/blk-iopoll.c
block: add blk-iopoll, a NAPI like approach for block devices
...
Diffstat (limited to 'block/elevator.c')
-rw-r--r-- | block/elevator.c | 16 |
1 files changed, 2 insertions, 14 deletions
diff --git a/block/elevator.c b/block/elevator.c index 2d511f9105e..1975b619c86 100644 --- a/block/elevator.c +++ b/block/elevator.c @@ -79,7 +79,8 @@ int elv_rq_merge_ok(struct request *rq, struct bio *bio) /* * Don't merge file system requests and discard requests */ - if (bio_discard(bio) != bio_discard(rq->bio)) + if (bio_rw_flagged(bio, BIO_RW_DISCARD) != + bio_rw_flagged(rq->bio, BIO_RW_DISCARD)) return 0; /* @@ -100,19 +101,6 @@ int elv_rq_merge_ok(struct request *rq, struct bio *bio) if (bio_integrity(bio) != blk_integrity_rq(rq)) return 0; - /* - * Don't merge if failfast settings don't match. - * - * FIXME: The negation in front of each condition is necessary - * because bio and request flags use different bit positions - * and the accessors return those bits directly. This - * ugliness will soon go away. - */ - if (!bio_failfast_dev(bio) != !blk_failfast_dev(rq) || - !bio_failfast_transport(bio) != !blk_failfast_transport(rq) || - !bio_failfast_driver(bio) != !blk_failfast_driver(rq)) - return 0; - if (!elv_iosched_allow_merge(rq, bio)) return 0; |