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path: root/drivers/target/target_core_iblock.c
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Diffstat (limited to 'drivers/target/target_core_iblock.c')
-rw-r--r--drivers/target/target_core_iblock.c41
1 files changed, 21 insertions, 20 deletions
diff --git a/drivers/target/target_core_iblock.c b/drivers/target/target_core_iblock.c
index 7c4efb4417b0..22af12f8b8eb 100644
--- a/drivers/target/target_core_iblock.c
+++ b/drivers/target/target_core_iblock.c
@@ -312,7 +312,8 @@ static void iblock_bio_done(struct bio *bio)
}
static struct bio *
-iblock_get_bio(struct se_cmd *cmd, sector_t lba, u32 sg_num)
+iblock_get_bio(struct se_cmd *cmd, sector_t lba, u32 sg_num, int op,
+ int op_flags)
{
struct iblock_dev *ib_dev = IBLOCK_DEV(cmd->se_dev);
struct bio *bio;
@@ -334,18 +335,19 @@ iblock_get_bio(struct se_cmd *cmd, sector_t lba, u32 sg_num)
bio->bi_private = cmd;
bio->bi_end_io = &iblock_bio_done;
bio->bi_iter.bi_sector = lba;
+ bio_set_op_attrs(bio, op, op_flags);
return bio;
}
-static void iblock_submit_bios(struct bio_list *list, int rw)
+static void iblock_submit_bios(struct bio_list *list)
{
struct blk_plug plug;
struct bio *bio;
blk_start_plug(&plug);
while ((bio = bio_list_pop(list)))
- submit_bio(rw, bio);
+ submit_bio(bio);
blk_finish_plug(&plug);
}
@@ -387,9 +389,10 @@ iblock_execute_sync_cache(struct se_cmd *cmd)
bio = bio_alloc(GFP_KERNEL, 0);
bio->bi_end_io = iblock_end_io_flush;
bio->bi_bdev = ib_dev->ibd_bd;
+ bio->bi_rw = WRITE_FLUSH;
if (!immed)
bio->bi_private = cmd;
- submit_bio(WRITE_FLUSH, bio);
+ submit_bio(bio);
return 0;
}
@@ -478,7 +481,7 @@ iblock_execute_write_same(struct se_cmd *cmd)
goto fail;
cmd->priv = ibr;
- bio = iblock_get_bio(cmd, block_lba, 1);
+ bio = iblock_get_bio(cmd, block_lba, 1, REQ_OP_WRITE, 0);
if (!bio)
goto fail_free_ibr;
@@ -491,7 +494,8 @@ iblock_execute_write_same(struct se_cmd *cmd)
while (bio_add_page(bio, sg_page(sg), sg->length, sg->offset)
!= sg->length) {
- bio = iblock_get_bio(cmd, block_lba, 1);
+ bio = iblock_get_bio(cmd, block_lba, 1, REQ_OP_WRITE,
+ 0);
if (!bio)
goto fail_put_bios;
@@ -504,7 +508,7 @@ iblock_execute_write_same(struct se_cmd *cmd)
sectors -= 1;
}
- iblock_submit_bios(&list, WRITE);
+ iblock_submit_bios(&list);
return 0;
fail_put_bios:
@@ -677,8 +681,7 @@ iblock_execute_rw(struct se_cmd *cmd, struct scatterlist *sgl, u32 sgl_nents,
struct scatterlist *sg;
u32 sg_num = sgl_nents;
unsigned bio_cnt;
- int rw = 0;
- int i;
+ int i, op, op_flags = 0;
if (data_direction == DMA_TO_DEVICE) {
struct iblock_dev *ib_dev = IBLOCK_DEV(dev);
@@ -687,18 +690,15 @@ iblock_execute_rw(struct se_cmd *cmd, struct scatterlist *sgl, u32 sgl_nents,
* Force writethrough using WRITE_FUA if a volatile write cache
* is not enabled, or if initiator set the Force Unit Access bit.
*/
+ op = REQ_OP_WRITE;
if (test_bit(QUEUE_FLAG_FUA, &q->queue_flags)) {
if (cmd->se_cmd_flags & SCF_FUA)
- rw = WRITE_FUA;
+ op_flags = WRITE_FUA;
else if (!test_bit(QUEUE_FLAG_WC, &q->queue_flags))
- rw = WRITE_FUA;
- else
- rw = WRITE;
- } else {
- rw = WRITE;
+ op_flags = WRITE_FUA;
}
} else {
- rw = READ;
+ op = REQ_OP_READ;
}
ibr = kzalloc(sizeof(struct iblock_req), GFP_KERNEL);
@@ -712,7 +712,7 @@ iblock_execute_rw(struct se_cmd *cmd, struct scatterlist *sgl, u32 sgl_nents,
return 0;
}
- bio = iblock_get_bio(cmd, block_lba, sgl_nents);
+ bio = iblock_get_bio(cmd, block_lba, sgl_nents, op, op_flags);
if (!bio)
goto fail_free_ibr;
@@ -732,11 +732,12 @@ iblock_execute_rw(struct se_cmd *cmd, struct scatterlist *sgl, u32 sgl_nents,
while (bio_add_page(bio, sg_page(sg), sg->length, sg->offset)
!= sg->length) {
if (bio_cnt >= IBLOCK_MAX_BIO_PER_TASK) {
- iblock_submit_bios(&list, rw);
+ iblock_submit_bios(&list);
bio_cnt = 0;
}
- bio = iblock_get_bio(cmd, block_lba, sg_num);
+ bio = iblock_get_bio(cmd, block_lba, sg_num, op,
+ op_flags);
if (!bio)
goto fail_put_bios;
@@ -756,7 +757,7 @@ iblock_execute_rw(struct se_cmd *cmd, struct scatterlist *sgl, u32 sgl_nents,
goto fail_put_bios;
}
- iblock_submit_bios(&list, rw);
+ iblock_submit_bios(&list);
iblock_complete_cmd(cmd);
return 0;