diff options
| author | Mark Brown <broonie@linaro.org> | 2013-08-29 13:59:05 +0100 |
|---|---|---|
| committer | Mark Brown <broonie@linaro.org> | 2013-08-29 13:59:05 +0100 |
| commit | b5f9a9d5113efe11a3b9dad600a6f833274da595 (patch) | |
| tree | 6db5fb34a2d590086e25f7f682fecb5f43e6b283 /drivers/md/raid1.c | |
| parent | a1216394e620d0dfbb03c712ae3210e7b77c9e11 (diff) | |
| parent | 8d4d08ce8319ae26227c4dd558405963c14c2037 (diff) | |
| download | talos-op-linux-b5f9a9d5113efe11a3b9dad600a6f833274da595.tar.gz talos-op-linux-b5f9a9d5113efe11a3b9dad600a6f833274da595.zip | |
Merge remote-tracking branch 'spi/topic/rspi' into spi-pdata
Conflicts:
drivers/spi/spi-rspi.c
Diffstat (limited to 'drivers/md/raid1.c')
| -rw-r--r-- | drivers/md/raid1.c | 53 |
1 files changed, 30 insertions, 23 deletions
diff --git a/drivers/md/raid1.c b/drivers/md/raid1.c index ec734588a1c6..d60412c7f995 100644 --- a/drivers/md/raid1.c +++ b/drivers/md/raid1.c @@ -1849,6 +1849,36 @@ static int process_checks(struct r1bio *r1_bio) int i; int vcnt; + /* Fix variable parts of all bios */ + vcnt = (r1_bio->sectors + PAGE_SIZE / 512 - 1) >> (PAGE_SHIFT - 9); + for (i = 0; i < conf->raid_disks * 2; i++) { + int j; + int size; + struct bio *b = r1_bio->bios[i]; + if (b->bi_end_io != end_sync_read) + continue; + /* fixup the bio for reuse */ + bio_reset(b); + b->bi_vcnt = vcnt; + b->bi_size = r1_bio->sectors << 9; + b->bi_sector = r1_bio->sector + + conf->mirrors[i].rdev->data_offset; + b->bi_bdev = conf->mirrors[i].rdev->bdev; + b->bi_end_io = end_sync_read; + b->bi_private = r1_bio; + + size = b->bi_size; + for (j = 0; j < vcnt ; j++) { + struct bio_vec *bi; + bi = &b->bi_io_vec[j]; + bi->bv_offset = 0; + if (size > PAGE_SIZE) + bi->bv_len = PAGE_SIZE; + else + bi->bv_len = size; + size -= PAGE_SIZE; + } + } for (primary = 0; primary < conf->raid_disks * 2; primary++) if (r1_bio->bios[primary]->bi_end_io == end_sync_read && test_bit(BIO_UPTODATE, &r1_bio->bios[primary]->bi_flags)) { @@ -1857,12 +1887,10 @@ static int process_checks(struct r1bio *r1_bio) break; } r1_bio->read_disk = primary; - vcnt = (r1_bio->sectors + PAGE_SIZE / 512 - 1) >> (PAGE_SHIFT - 9); for (i = 0; i < conf->raid_disks * 2; i++) { int j; struct bio *pbio = r1_bio->bios[primary]; struct bio *sbio = r1_bio->bios[i]; - int size; if (sbio->bi_end_io != end_sync_read) continue; @@ -1888,27 +1916,6 @@ static int process_checks(struct r1bio *r1_bio) rdev_dec_pending(conf->mirrors[i].rdev, mddev); continue; } - /* fixup the bio for reuse */ - bio_reset(sbio); - sbio->bi_vcnt = vcnt; - sbio->bi_size = r1_bio->sectors << 9; - sbio->bi_sector = r1_bio->sector + - conf->mirrors[i].rdev->data_offset; - sbio->bi_bdev = conf->mirrors[i].rdev->bdev; - sbio->bi_end_io = end_sync_read; - sbio->bi_private = r1_bio; - - size = sbio->bi_size; - for (j = 0; j < vcnt ; j++) { - struct bio_vec *bi; - bi = &sbio->bi_io_vec[j]; - bi->bv_offset = 0; - if (size > PAGE_SIZE) - bi->bv_len = PAGE_SIZE; - else - bi->bv_len = size; - size -= PAGE_SIZE; - } bio_copy_data(sbio, pbio); } |

