ublk_need_map_io() is more readable, and it can cover the coming UBLK_BPF.
Signed-off-by: Ming Lei <tom.leiming@xxxxxxxxx>
---
drivers/block/ublk_drv.c | 13 +++++++++----
1 file changed, 9 insertions(+), 4 deletions(-)
diff --git a/drivers/block/ublk_drv.c b/drivers/block/ublk_drv.c
index 00363e8affc6..1a63a1aa99ed 100644
--- a/drivers/block/ublk_drv.c
+++ b/drivers/block/ublk_drv.c
@@ -582,6 +582,11 @@ static inline bool ublk_support_user_copy(const struct ublk_queue *ubq)
return ubq->flags & UBLK_F_USER_COPY;
}
+static inline bool ublk_need_map_io(const struct ublk_queue *ubq)
+{
+ return !ublk_support_user_copy(ubq);
+}
+
static inline bool ublk_need_req_ref(const struct ublk_queue *ubq)
{
/*
@@ -909,7 +914,7 @@ static int ublk_map_io(const struct ublk_queue *ubq, const struct request *req,
{
const unsigned int rq_bytes = blk_rq_bytes(req);
- if (ublk_support_user_copy(ubq))
+ if (!ublk_need_map_io(ubq))
return rq_bytes;
/*
@@ -933,7 +938,7 @@ static int ublk_unmap_io(const struct ublk_queue *ubq,
{
const unsigned int rq_bytes = blk_rq_bytes(req);
- if (ublk_support_user_copy(ubq))
+ if (!ublk_need_map_io(ubq))
return rq_bytes;
if (ublk_need_unmap_req(req)) {
@@ -1809,7 +1814,7 @@ static int __ublk_ch_uring_cmd(struct io_uring_cmd *cmd,
if (io->flags & UBLK_IO_FLAG_OWNED_BY_SRV)
goto out;
- if (!ublk_support_user_copy(ubq)) {
+ if (ublk_need_map_io(ubq)) {
/*
* FETCH_RQ has to provide IO buffer if NEED GET
* DATA is not enabled
@@ -1831,7 +1836,7 @@ static int __ublk_ch_uring_cmd(struct io_uring_cmd *cmd,
if (!(io->flags & UBLK_IO_FLAG_OWNED_BY_SRV))
goto out;
- if (!ublk_support_user_copy(ubq)) {
+ if (ublk_need_map_io(ubq)) {
/*
* COMMIT_AND_FETCH_REQ has to provide IO buffer if
* NEED GET DATA is not enabled or it is Read IO.
--
2.47.0
