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| author | Tony Lindgren <tony@atomide.com> | 2010-03-01 23:19:05 +0100 |
|---|---|---|
| committer | Tony Lindgren <tony@atomide.com> | 2010-03-01 23:19:05 +0100 |
| commit | d702d12167a2c05a346f49aac7a311d597762495 (patch) | |
| tree | baae42c299cce34d6df24b5d01f8b1d0b481bd9a /block/elevator.c | |
| parent | omap2: Initialize Menelaus and MMC for N8X0 (diff) | |
| parent | Merge branch 'for-linus' of master.kernel.org:/home/rmk/linux-2.6-arm (diff) | |
| download | linux-d702d12167a2c05a346f49aac7a311d597762495.tar.xz linux-d702d12167a2c05a346f49aac7a311d597762495.zip | |
Merge with mainline to remove plat-omap/Kconfig conflict
Conflicts:
arch/arm/plat-omap/Kconfig
Diffstat (limited to 'block/elevator.c')
| -rw-r--r-- | block/elevator.c | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/block/elevator.c b/block/elevator.c index 9ad5ccc4c5ee..ee3a883840f2 100644 --- a/block/elevator.c +++ b/block/elevator.c @@ -474,6 +474,15 @@ int elv_merge(struct request_queue *q, struct request **req, struct bio *bio) int ret; /* + * Levels of merges: + * nomerges: No merges at all attempted + * noxmerges: Only simple one-hit cache try + * merges: All merge tries attempted + */ + if (blk_queue_nomerges(q)) + return ELEVATOR_NO_MERGE; + + /* * First try one-hit cache. */ if (q->last_merge) { @@ -484,7 +493,7 @@ int elv_merge(struct request_queue *q, struct request **req, struct bio *bio) } } - if (blk_queue_nomerges(q)) + if (blk_queue_noxmerges(q)) return ELEVATOR_NO_MERGE; /* |