[PATCH 25/35] target: set bi_op to REQ_OP

mchristi
2016-01-05T20:54:57Z

This patch has the target modules set the bio bi_op to a REQ_OP, and
rq_flag_bits to bi_rw.

This patch is compile tested only.

Signed-off-by: Mike Christie <mchristi@redhat.com>
---
drivers/target/target_core_iblock.c | 38 ++++++++++++++++++++++---------------
drivers/target/target_core_pscsi.c | 2 +-
2 files changed, 24 insertions(+), 16 deletions(-)

diff --git a/drivers/target/target_core_iblock.c b/drivers/target/target_core_iblock.c
index bfc3e45..b83195b 100644
--- a/drivers/target/target_core_iblock.c
+++ b/drivers/target/target_core_iblock.c
@@ -330,7 +330,8 @@ static void iblock_bio_done(struct bio *bio)
}

static struct bio *
-iblock_get_bio(struct se_cmd *cmd, sector_t lba, u32 sg_num, int rw)
+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;
@@ -352,7 +353,8 @@ iblock_get_bio(struct se_cmd *cmd, sector_t lba, u32 sg_num, int rw)
bio->bi_private = cmd;
bio->bi_end_io = &iblock_bio_done;
bio->bi_iter.bi_sector = lba;
- bio->bi_rw |= rw;
+ bio->bi_op = op;
+ bio->bi_rw |= op_flags;

return bio;
}
@@ -458,7 +460,7 @@ iblock_execute_write_same(struct se_cmd *cmd)
goto fail;
cmd->priv = ibr;

- bio = iblock_get_bio(cmd, block_lba, 1, WRITE);
+ bio = iblock_get_bio(cmd, block_lba, 1, REQ_OP_WRITE, 0);
if (!bio)
goto fail_free_ibr;

@@ -471,7 +473,8 @@ 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, WRITE);
+ bio = iblock_get_bio(cmd, block_lba, 1, REQ_OP_WRITE,
+ 0);
if (!bio)
goto fail_put_bios;

@@ -657,7 +660,8 @@ iblock_execute_rw(struct se_cmd *cmd, struct scatterlist *sgl, u32 sgl_nents,
u32 sg_num = sgl_nents;
sector_t block_lba;
unsigned bio_cnt;
- int rw = 0;
+ int op_flags = 0;
+ int op = 0;
int i;

if (data_direction == DMA_TO_DEVICE) {
@@ -668,17 +672,20 @@ iblock_execute_rw(struct se_cmd *cmd, struct scatterlist *sgl, u32 sgl_nents,
* is not enabled, or if initiator set the Force Unit Access bit.
*/
if (q->flush_flags & REQ_FUA) {
- if (cmd->se_cmd_flags & SCF_FUA)
- rw = WRITE_FUA;
- else if (!(q->flush_flags & REQ_FLUSH))
- rw = WRITE_FUA;
- else
- rw = WRITE;
+ if (cmd->se_cmd_flags & SCF_FUA) {
+ op = REQ_OP_WRITE;
+ op_flags = WRITE_FUA;
+ } else if (!(q->flush_flags & REQ_FLUSH)) {
+ op = REQ_OP_WRITE;
+ op_flags = WRITE_FUA;
+ } else {
+ op = REQ_OP_WRITE;
+ }
} else {
- rw = WRITE;
+ op = REQ_OP_WRITE;
}
} else {
- rw = READ;
+ op = REQ_OP_READ;
}

/*
@@ -710,7 +717,7 @@ iblock_execute_rw(struct se_cmd *cmd, struct scatterlist *sgl, u32 sgl_nents,
return 0;
}

- bio = iblock_get_bio(cmd, block_lba, sgl_nents, rw);
+ bio = iblock_get_bio(cmd, block_lba, sgl_nents, op, op_flags);
if (!bio)
goto fail_free_ibr;

@@ -734,7 +741,8 @@ iblock_execute_rw(struct se_cmd *cmd, struct scatterlist *sgl, u32 sgl_nents,
bio_cnt = 0;
}

- bio = iblock_get_bio(cmd, block_lba, sg_num, rw);
+ bio = iblock_get_bio(cmd, block_lba, sg_num, op,
+ op_flags);
if (!bio)
goto fail_put_bios;

diff --git a/drivers/target/target_core_pscsi.c b/drivers/target/target_core_pscsi.c
index de18790..2cf915c 100644
--- a/drivers/target/target_core_pscsi.c
+++ b/drivers/target/target_core_pscsi.c
@@ -922,7 +922,7 @@ pscsi_map_sg(struct se_cmd *cmd, struct scatterlist *sgl, u32 sgl_nents,
goto fail;

if (rw)
- bio->bi_rw |= REQ_WRITE;
+ bio->bi_op = REQ_OP_WRITE;

pr_debug("PSCSI: Allocated bio: %p,"
" dir: %s nr_vecs: %d\n", bio,