### Comments for Changeset
Thanks Jens for alerting me to this.
Cc: Jens Axboe <[email protected]>
Cc: [email protected]
Signed-off-by: Neil Brown <[email protected]>
### Diffstat output
./drivers/md/faulty.c | 2 +-
./drivers/md/raid1.c | 2 +-
./drivers/md/raid10.c | 6 +++---
./drivers/md/raid5.c | 20 ++++++++++----------
4 files changed, 15 insertions(+), 15 deletions(-)
diff .prev/drivers/md/faulty.c ./drivers/md/faulty.c
--- .prev/drivers/md/faulty.c 2006-12-12 09:47:58.000000000 +1100
+++ ./drivers/md/faulty.c 2006-12-12 09:48:10.000000000 +1100
@@ -173,7 +173,7 @@ static int make_request(request_queue_t
conf_t *conf = (conf_t*)mddev->private;
int failit = 0;
- if (bio->bi_rw & 1) {
+ if (bio_data_dir(bio) == WRITE) {
/* write request */
if (atomic_read(&conf->counters[WriteAll])) {
/* special case - don't decrement, don't generic_make_request,
diff .prev/drivers/md/raid10.c ./drivers/md/raid10.c
--- .prev/drivers/md/raid10.c 2006-12-12 09:42:11.000000000 +1100
+++ ./drivers/md/raid10.c 2006-12-12 09:45:02.000000000 +1100
@@ -1785,7 +1785,7 @@ static sector_t sync_request(mddev_t *md
biolist = bio;
bio->bi_private = r10_bio;
bio->bi_end_io = end_sync_read;
- bio->bi_rw = 0;
+ bio->bi_rw = READ;
bio->bi_sector = r10_bio->devs[j].addr +
conf->mirrors[d].rdev->data_offset;
bio->bi_bdev = conf->mirrors[d].rdev->bdev;
@@ -1801,7 +1801,7 @@ static sector_t sync_request(mddev_t *md
biolist = bio;
bio->bi_private = r10_bio;
bio->bi_end_io = end_sync_write;
- bio->bi_rw = 1;
+ bio->bi_rw = WRITE;
bio->bi_sector = r10_bio->devs[k].addr +
conf->mirrors[i].rdev->data_offset;
bio->bi_bdev = conf->mirrors[i].rdev->bdev;
@@ -1870,7 +1870,7 @@ static sector_t sync_request(mddev_t *md
biolist = bio;
bio->bi_private = r10_bio;
bio->bi_end_io = end_sync_read;
- bio->bi_rw = 0;
+ bio->bi_rw = READ;
bio->bi_sector = r10_bio->devs[i].addr +
conf->mirrors[d].rdev->data_offset;
bio->bi_bdev = conf->mirrors[d].rdev->bdev;
diff .prev/drivers/md/raid1.c ./drivers/md/raid1.c
--- .prev/drivers/md/raid1.c 2006-12-08 12:07:39.000000000 +1100
+++ ./drivers/md/raid1.c 2006-12-12 09:45:10.000000000 +1100
@@ -1736,7 +1736,7 @@ static sector_t sync_request(mddev_t *md
/* take from bio_init */
bio->bi_next = NULL;
bio->bi_flags |= 1 << BIO_UPTODATE;
- bio->bi_rw = 0;
+ bio->bi_rw = READ;
bio->bi_vcnt = 0;
bio->bi_idx = 0;
bio->bi_phys_segments = 0;
diff .prev/drivers/md/raid5.c ./drivers/md/raid5.c
--- .prev/drivers/md/raid5.c 2006-12-11 09:54:43.000000000 +1100
+++ ./drivers/md/raid5.c 2006-12-12 09:49:53.000000000 +1100
@@ -1827,16 +1827,16 @@ static void handle_stripe5(struct stripe
struct bio *bi;
mdk_rdev_t *rdev;
if (test_and_clear_bit(R5_Wantwrite, &sh->dev[i].flags))
- rw = 1;
+ rw = WRITE;
else if (test_and_clear_bit(R5_Wantread, &sh->dev[i].flags))
- rw = 0;
+ rw = READ;
else
continue;
bi = &sh->dev[i].req;
bi->bi_rw = rw;
- if (rw)
+ if (rw == WRITE)
bi->bi_end_io = raid5_end_write_request;
else
bi->bi_end_io = raid5_end_read_request;
@@ -1872,7 +1872,7 @@ static void handle_stripe5(struct stripe
atomic_add(STRIPE_SECTORS, &rdev->corrected_errors);
generic_make_request(bi);
} else {
- if (rw == 1)
+ if (rw == WRITE)
set_bit(STRIPE_DEGRADED, &sh->state);
PRINTK("skip op %ld on disc %d for sector %llu\n",
bi->bi_rw, i, (unsigned long long)sh->sector);
@@ -2370,16 +2370,16 @@ static void handle_stripe6(struct stripe
struct bio *bi;
mdk_rdev_t *rdev;
if (test_and_clear_bit(R5_Wantwrite, &sh->dev[i].flags))
- rw = 1;
+ rw = WRITE;
else if (test_and_clear_bit(R5_Wantread, &sh->dev[i].flags))
- rw = 0;
+ rw = READ;
else
continue;
bi = &sh->dev[i].req;
bi->bi_rw = rw;
- if (rw)
+ if (rw == WRITE)
bi->bi_end_io = raid5_end_write_request;
else
bi->bi_end_io = raid5_end_read_request;
@@ -2415,7 +2415,7 @@ static void handle_stripe6(struct stripe
atomic_add(STRIPE_SECTORS, &rdev->corrected_errors);
generic_make_request(bi);
} else {
- if (rw == 1)
+ if (rw == WRITE)
set_bit(STRIPE_DEGRADED, &sh->state);
PRINTK("skip op %ld on disc %d for sector %llu\n",
bi->bi_rw, i, (unsigned long long)sh->sector);
@@ -2567,7 +2567,7 @@ static int raid5_mergeable_bvec(request_
unsigned int chunk_sectors = mddev->chunk_size >> 9;
unsigned int bio_sectors = bio->bi_size >> 9;
- if (bio_data_dir(bio))
+ if (bio_data_dir(bio) == WRITE)
return biovec->bv_len; /* always allow writes to be mergeable */
max = (chunk_sectors - ((sector & (chunk_sectors - 1)) + bio_sectors)) << 9;
@@ -2751,7 +2751,7 @@ static int make_request(request_queue_t
disk_stat_inc(mddev->gendisk, ios[rw]);
disk_stat_add(mddev->gendisk, sectors[rw], bio_sectors(bi));
- if (bio_data_dir(bi) == READ &&
+ if (rw == READ &&
mddev->reshape_position == MaxSector &&
chunk_aligned_read(q,bi))
return 0;
-
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