Unlike the RWF_HIPRI userspace ABI which is intentionally kept vague,
the bio flag is specіfic to the polling implementation, so rename and
document it properly.
Signed-off-by: Christoph Hellwig <hch@xxxxxx>
---
block/blk-core.c | 2 +-
block/blk-merge.c | 2 +-
block/blk-mq-debugfs.c | 2 +-
block/blk-mq.c | 4 ++--
block/blk-mq.h | 4 ++--
block/blk-wbt.c | 4 ++--
drivers/nvme/host/core.c | 2 +-
include/linux/bio.h | 2 +-
include/linux/blk_types.h | 4 ++--
mm/page_io.c | 2 +-
10 files changed, 14 insertions(+), 14 deletions(-)
diff --git a/block/blk-core.c b/block/blk-core.c
index 9bcdae93f6d4..adfab5976be0 100644
--- a/block/blk-core.c
+++ b/block/blk-core.c
@@ -837,7 +837,7 @@ static noinline_for_stack bool submit_bio_checks(struct bio *bio)
}
if (!test_bit(QUEUE_FLAG_POLL, &q->queue_flags))
- bio->bi_opf &= ~REQ_HIPRI;
+ bio->bi_opf &= ~REQ_POLLED;
switch (bio_op(bio)) {
case REQ_OP_DISCARD:
diff --git a/block/blk-merge.c b/block/blk-merge.c
index ffb4aa0ea68b..ef54c2e68657 100644
--- a/block/blk-merge.c
+++ b/block/blk-merge.c
@@ -285,7 +285,7 @@ static struct bio *blk_bio_segment_split(struct request_queue *q,
* iopoll in direct IO routine. Given performance gain of iopoll for
* big IO can be trival, disable iopoll when split needed.
*/
- bio->bi_opf &= ~REQ_HIPRI;
+ bio->bi_opf &= ~REQ_POLLED;
return bio_split(bio, sectors, GFP_NOIO, bs);
}
diff --git a/block/blk-mq-debugfs.c b/block/blk-mq-debugfs.c
index 8ea96d83d599..cd1b34e2c6e7 100644
--- a/block/blk-mq-debugfs.c
+++ b/block/blk-mq-debugfs.c
@@ -286,7 +286,7 @@ static const char *const cmd_flag_name[] = {
CMD_FLAG_NAME(BACKGROUND),
CMD_FLAG_NAME(NOWAIT),
CMD_FLAG_NAME(NOUNMAP),
- CMD_FLAG_NAME(HIPRI),
+ CMD_FLAG_NAME(POLLED),
};
#undef CMD_FLAG_NAME
diff --git a/block/blk-mq.c b/block/blk-mq.c
index 40b20f7986c1..c252d42b456f 100644
--- a/block/blk-mq.c
+++ b/block/blk-mq.c
@@ -667,7 +667,7 @@ bool blk_mq_complete_request_remote(struct request *rq)
* For a polled request, always complete locallly, it's pointless
* to redirect the completion.
*/
- if (rq->cmd_flags & REQ_HIPRI)
+ if (rq->cmd_flags & REQ_POLLED)
return false;
if (blk_mq_complete_need_ipi(rq)) {
@@ -2201,7 +2201,7 @@ blk_qc_t blk_mq_submit_bio(struct bio *bio)
rq_qos_throttle(q, bio);
- hipri = bio->bi_opf & REQ_HIPRI;
+ hipri = bio->bi_opf & REQ_POLLED;
data.cmd_flags = bio->bi_opf;
rq = __blk_mq_alloc_request(&data);
diff --git a/block/blk-mq.h b/block/blk-mq.h
index 3616453ca28c..38eac0434a52 100644
--- a/block/blk-mq.h
+++ b/block/blk-mq.h
@@ -108,9 +108,9 @@ static inline struct blk_mq_hw_ctx *blk_mq_map_queue(struct request_queue *q,
enum hctx_type type = HCTX_TYPE_DEFAULT;
/*
- * The caller ensure that if REQ_HIPRI, poll must be enabled.
+ * The caller ensure that if REQ_POLLED, poll must be enabled.
*/
- if (flags & REQ_HIPRI)
+ if (flags & REQ_POLLED)
type = HCTX_TYPE_POLL;
else if ((flags & REQ_OP_MASK) == REQ_OP_READ)
type = HCTX_TYPE_READ;
diff --git a/block/blk-wbt.c b/block/blk-wbt.c
index 42aed0160f86..75787460726d 100644
--- a/block/blk-wbt.c
+++ b/block/blk-wbt.c
@@ -445,7 +445,7 @@ static bool close_io(struct rq_wb *rwb)
time_before(now, rwb->last_comp + HZ / 10);
}
-#define REQ_HIPRIO (REQ_SYNC | REQ_META | REQ_PRIO)
+#define REQ_POLLEDO (REQ_SYNC | REQ_META | REQ_PRIO)
static inline unsigned int get_limit(struct rq_wb *rwb, unsigned long rw)
{
@@ -469,7 +469,7 @@ static inline unsigned int get_limit(struct rq_wb *rwb, unsigned long rw)
* the idle limit, or go to normal if we haven't had competing
* IO for a bit.
*/
- if ((rw & REQ_HIPRIO) || wb_recent_wait(rwb) || current_is_kswapd())
+ if ((rw & REQ_POLLEDO) || wb_recent_wait(rwb) || current_is_kswapd())
limit = rwb->rq_depth.max_depth;
else if ((rw & REQ_BACKGROUND) || close_io(rwb)) {
/*
diff --git a/drivers/nvme/host/core.c b/drivers/nvme/host/core.c
index 0896e21642be..723a4c382385 100644
--- a/drivers/nvme/host/core.c
+++ b/drivers/nvme/host/core.c
@@ -958,7 +958,7 @@ static void nvme_execute_rq_polled(struct request_queue *q,
WARN_ON_ONCE(!test_bit(QUEUE_FLAG_POLL, &q->queue_flags));
- rq->cmd_flags |= REQ_HIPRI;
+ rq->cmd_flags |= REQ_POLLED;
rq->end_io_data = &wait;
blk_execute_rq_nowait(bd_disk, rq, at_head, nvme_end_sync_rq);
diff --git a/include/linux/bio.h b/include/linux/bio.h
index a0b4cfdf62a4..439a70bc42e2 100644
--- a/include/linux/bio.h
+++ b/include/linux/bio.h
@@ -817,7 +817,7 @@ static inline int bio_integrity_add_page(struct bio *bio, struct page *page,
*/
static inline void bio_set_polled(struct bio *bio, struct kiocb *kiocb)
{
- bio->bi_opf |= REQ_HIPRI;
+ bio->bi_opf |= REQ_POLLED;
if (!is_sync_kiocb(kiocb))
bio->bi_opf |= REQ_NOWAIT;
}
diff --git a/include/linux/blk_types.h b/include/linux/blk_types.h
index d0cf835d3b50..ac60432752e3 100644
--- a/include/linux/blk_types.h
+++ b/include/linux/blk_types.h
@@ -392,7 +392,7 @@ enum req_flag_bits {
/* command specific flags for REQ_OP_WRITE_ZEROES: */
__REQ_NOUNMAP, /* do not free blocks when zeroing */
- __REQ_HIPRI,
+ __REQ_POLLED, /* caller polls for completion using blk_poll */
/* for driver use */
__REQ_DRV,
@@ -417,7 +417,7 @@ enum req_flag_bits {
#define REQ_CGROUP_PUNT (1ULL << __REQ_CGROUP_PUNT)
#define REQ_NOUNMAP (1ULL << __REQ_NOUNMAP)
-#define REQ_HIPRI (1ULL << __REQ_HIPRI)
+#define REQ_POLLED (1ULL << __REQ_POLLED)
#define REQ_DRV (1ULL << __REQ_DRV)
#define REQ_SWAP (1ULL << __REQ_SWAP)
diff --git a/mm/page_io.c b/mm/page_io.c
index c493ce9ebcf5..dd86ea217da2 100644
--- a/mm/page_io.c
+++ b/mm/page_io.c
@@ -416,7 +416,7 @@ int swap_readpage(struct page *page, bool synchronous)
* attempt to access it in the page fault retry time check.
*/
if (synchronous) {
- bio->bi_opf |= REQ_HIPRI;
+ bio->bi_opf |= REQ_POLLED;
get_task_struct(current);
bio->bi_private = current;
}
--
2.30.1
