diff options
Diffstat (limited to 'drivers/block/drbd/drbd_actlog.c')
-rw-r--r-- | drivers/block/drbd/drbd_actlog.c | 32 |
1 files changed, 17 insertions, 15 deletions
diff --git a/drivers/block/drbd/drbd_actlog.c b/drivers/block/drbd/drbd_actlog.c index 10459a145062..d524973f94b3 100644 --- a/drivers/block/drbd/drbd_actlog.c +++ b/drivers/block/drbd/drbd_actlog.c @@ -137,19 +137,19 @@ void wait_until_done_or_force_detached(struct drbd_device *device, struct drbd_b static int _drbd_md_sync_page_io(struct drbd_device *device, struct drbd_backing_dev *bdev, - sector_t sector, int rw) + sector_t sector, int op) { struct bio *bio; /* we do all our meta data IO in aligned 4k blocks. */ const int size = 4096; - int err; + int err, op_flags = 0; device->md_io.done = 0; device->md_io.error = -ENODEV; - if ((rw & WRITE) && !test_bit(MD_NO_FUA, &device->flags)) - rw |= REQ_FUA | REQ_FLUSH; - rw |= REQ_SYNC | REQ_NOIDLE; + if ((op == REQ_OP_WRITE) && !test_bit(MD_NO_FUA, &device->flags)) + op_flags |= REQ_FUA | REQ_PREFLUSH; + op_flags |= REQ_SYNC | REQ_NOIDLE; bio = bio_alloc_drbd(GFP_NOIO); bio->bi_bdev = bdev->md_bdev; @@ -159,9 +159,9 @@ static int _drbd_md_sync_page_io(struct drbd_device *device, goto out; bio->bi_private = device; bio->bi_end_io = drbd_md_endio; - bio->bi_rw = rw; + bio_set_op_attrs(bio, op, op_flags); - if (!(rw & WRITE) && device->state.disk == D_DISKLESS && device->ldev == NULL) + if (op != REQ_OP_WRITE && device->state.disk == D_DISKLESS && device->ldev == NULL) /* special case, drbd_md_read() during drbd_adm_attach(): no get_ldev */ ; else if (!get_ldev_if_state(device, D_ATTACHING)) { @@ -174,10 +174,10 @@ static int _drbd_md_sync_page_io(struct drbd_device *device, bio_get(bio); /* one bio_put() is in the completion handler */ atomic_inc(&device->md_io.in_use); /* drbd_md_put_buffer() is in the completion handler */ device->md_io.submit_jif = jiffies; - if (drbd_insert_fault(device, (rw & WRITE) ? DRBD_FAULT_MD_WR : DRBD_FAULT_MD_RD)) + if (drbd_insert_fault(device, (op == REQ_OP_WRITE) ? DRBD_FAULT_MD_WR : DRBD_FAULT_MD_RD)) bio_io_error(bio); else - submit_bio(rw, bio); + submit_bio(bio); wait_until_done_or_force_detached(device, bdev, &device->md_io.done); if (!bio->bi_error) err = device->md_io.error; @@ -188,7 +188,7 @@ static int _drbd_md_sync_page_io(struct drbd_device *device, } int drbd_md_sync_page_io(struct drbd_device *device, struct drbd_backing_dev *bdev, - sector_t sector, int rw) + sector_t sector, int op) { int err; D_ASSERT(device, atomic_read(&device->md_io.in_use) == 1); @@ -197,19 +197,21 @@ int drbd_md_sync_page_io(struct drbd_device *device, struct drbd_backing_dev *bd dynamic_drbd_dbg(device, "meta_data io: %s [%d]:%s(,%llus,%s) %pS\n", current->comm, current->pid, __func__, - (unsigned long long)sector, (rw & WRITE) ? "WRITE" : "READ", + (unsigned long long)sector, (op == REQ_OP_WRITE) ? "WRITE" : "READ", (void*)_RET_IP_ ); if (sector < drbd_md_first_sector(bdev) || sector + 7 > drbd_md_last_sector(bdev)) drbd_alert(device, "%s [%d]:%s(,%llus,%s) out of range md access!\n", current->comm, current->pid, __func__, - (unsigned long long)sector, (rw & WRITE) ? "WRITE" : "READ"); + (unsigned long long)sector, + (op == REQ_OP_WRITE) ? "WRITE" : "READ"); - err = _drbd_md_sync_page_io(device, bdev, sector, rw); + err = _drbd_md_sync_page_io(device, bdev, sector, op); if (err) { drbd_err(device, "drbd_md_sync_page_io(,%llus,%s) failed with error %d\n", - (unsigned long long)sector, (rw & WRITE) ? "WRITE" : "READ", err); + (unsigned long long)sector, + (op == REQ_OP_WRITE) ? "WRITE" : "READ", err); } return err; } @@ -845,7 +847,7 @@ int __drbd_change_sync(struct drbd_device *device, sector_t sector, int size, unsigned long count = 0; sector_t esector, nr_sectors; - /* This would be an empty REQ_FLUSH, be silent. */ + /* This would be an empty REQ_PREFLUSH, be silent. */ if ((mode == SET_OUT_OF_SYNC) && size == 0) return 0; |