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path: root/drivers/block/drbd/drbd_req.c
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Diffstat (limited to 'drivers/block/drbd/drbd_req.c')
-rw-r--r--drivers/block/drbd/drbd_req.c19
1 files changed, 10 insertions, 9 deletions
diff --git a/drivers/block/drbd/drbd_req.c b/drivers/block/drbd/drbd_req.c
index 1c4da17e902e..643a04af213b 100644
--- a/drivers/block/drbd/drbd_req.c
+++ b/drivers/block/drbd/drbd_req.c
@@ -63,7 +63,7 @@ static struct drbd_request *drbd_req_new(struct drbd_device *device, struct bio
drbd_req_make_private_bio(req, bio_src);
req->rq_state = (bio_data_dir(bio_src) == WRITE ? RQ_WRITE : 0)
| (bio_op(bio_src) == REQ_OP_WRITE_SAME ? RQ_WSAME : 0)
- | (bio_op(bio_src) == REQ_OP_WRITE_ZEROES ? RQ_UNMAP : 0)
+ | (bio_op(bio_src) == REQ_OP_WRITE_ZEROES ? RQ_ZEROES : 0)
| (bio_op(bio_src) == REQ_OP_DISCARD ? RQ_UNMAP : 0);
req->device = device;
req->master_bio = bio_src;
@@ -1155,12 +1155,11 @@ static int drbd_process_write_request(struct drbd_request *req)
return remote;
}
-static void drbd_process_discard_req(struct drbd_request *req)
+static void drbd_process_discard_or_zeroes_req(struct drbd_request *req, int flags)
{
- struct block_device *bdev = req->device->ldev->backing_bdev;
-
- if (blkdev_issue_zeroout(bdev, req->i.sector, req->i.size >> 9,
- GFP_NOIO, 0))
+ int err = drbd_issue_discard_or_zero_out(req->device,
+ req->i.sector, req->i.size >> 9, flags);
+ if (err)
req->private_bio->bi_status = BLK_STS_IOERR;
bio_endio(req->private_bio);
}
@@ -1189,9 +1188,11 @@ drbd_submit_req_private_bio(struct drbd_request *req)
if (get_ldev(device)) {
if (drbd_insert_fault(device, type))
bio_io_error(bio);
- else if (bio_op(bio) == REQ_OP_WRITE_ZEROES ||
- bio_op(bio) == REQ_OP_DISCARD)
- drbd_process_discard_req(req);
+ else if (bio_op(bio) == REQ_OP_WRITE_ZEROES)
+ drbd_process_discard_or_zeroes_req(req, EE_ZEROOUT |
+ ((bio->bi_opf & REQ_NOUNMAP) ? 0 : EE_TRIM));
+ else if (bio_op(bio) == REQ_OP_DISCARD)
+ drbd_process_discard_or_zeroes_req(req, EE_TRIM);
else
generic_make_request(bio);
put_ldev(device);