diff options
| author | Linus Torvalds <torvalds@linux-foundation.org> | 2008-07-14 13:15:14 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2008-07-14 13:15:14 -0700 |
| commit | dddec01eb8e2b56267b37a6f9f0997a64b4e0b2a (patch) | |
| tree | b6d8bfbce9abd105384b9d116499afbe306b9c22 /drivers/md/raid5.c | |
| parent | 7daf705f362e349983e92037a198b8821db198af (diff) | |
| parent | 32502b8413a77b54b9e19809404109590c32dfb7 (diff) | |
Merge branch 'for-linus' of git://git.kernel.dk/linux-2.6-block
* 'for-linus' of git://git.kernel.dk/linux-2.6-block: (37 commits)
splice: fix generic_file_splice_read() race with page invalidation
ramfs: enable splice write
drivers/block/pktcdvd.c: avoid useless memset
cdrom: revert commit 22a9189 (cdrom: use kmalloced buffers instead of buffers on stack)
scsi: sr avoids useless buffer allocation
block: blk_rq_map_kern uses the bounce buffers for stack buffers
block: add blk_queue_update_dma_pad
DAC960: push down BKL
pktcdvd: push BKL down into driver
paride: push ioctl down into driver
block: use get_unaligned_* helpers
block: extend queue_flag bitops
block: request_module(): use format string
Add bvec_merge_data to handle stacked devices and ->merge_bvec()
block: integrity flags can't use bit ops on unsigned short
cmdfilter: extend default read filter
sg: fix odd style (extra parenthesis) introduced by cmd filter patch
block: add bounce support to blk_rq_map_user_iov
cfq-iosched: get rid of enable_idle being unused warning
allow userspace to modify scsi command filter on per device basis
...
Diffstat (limited to 'drivers/md/raid5.c')
| -rw-r--r-- | drivers/md/raid5.c | 10 |
1 files changed, 6 insertions, 4 deletions
diff --git a/drivers/md/raid5.c b/drivers/md/raid5.c index 3b27df52456..9ce7154845c 100644 --- a/drivers/md/raid5.c +++ b/drivers/md/raid5.c @@ -3314,15 +3314,17 @@ static int raid5_congested(void *data, int bits) /* We want read requests to align with chunks where possible, * but write requests don't need to. */ -static int raid5_mergeable_bvec(struct request_queue *q, struct bio *bio, struct bio_vec *biovec) +static int raid5_mergeable_bvec(struct request_queue *q, + struct bvec_merge_data *bvm, + struct bio_vec *biovec) { mddev_t *mddev = q->queuedata; - sector_t sector = bio->bi_sector + get_start_sect(bio->bi_bdev); + sector_t sector = bvm->bi_sector + get_start_sect(bvm->bi_bdev); int max; unsigned int chunk_sectors = mddev->chunk_size >> 9; - unsigned int bio_sectors = bio->bi_size >> 9; + unsigned int bio_sectors = bvm->bi_size >> 9; - if (bio_data_dir(bio) == WRITE) + if ((bvm->bi_rw & 1) == WRITE) return biovec->bv_len; /* always allow writes to be mergeable */ max = (chunk_sectors - ((sector & (chunk_sectors - 1)) + bio_sectors)) << 9; |