aboutsummaryrefslogtreecommitdiff
path: root/io_uring/rw.c
diff options
context:
space:
mode:
authorDave Airlie <airlied@redhat.com>2024-04-22 14:35:22 +1000
committerDave Airlie <airlied@redhat.com>2024-04-22 14:35:52 +1000
commit0208ca55aa9c9b997da1f5bc45c4e98916323f08 (patch)
treee3130b2116f7738ac7cd79ad71698f545bb7db69 /io_uring/rw.c
parent2871ec40994912ce4f2e2d5072a428eb84c77d3c (diff)
parented30a4a51bb196781c8058073ea720133a65596f (diff)
Backmerge tag 'v6.9-rc5' into drm-next
Linux 6.9-rc5 I've had a persistent msm failure on clang, and the fix is in fixes so just pull it back to fix that. Signed-off-by: Dave Airlie <airlied@redhat.com>
Diffstat (limited to 'io_uring/rw.c')
-rw-r--r--io_uring/rw.c9
1 files changed, 8 insertions, 1 deletions
diff --git a/io_uring/rw.c b/io_uring/rw.c
index 0585ebcc9773..c8d48287439e 100644
--- a/io_uring/rw.c
+++ b/io_uring/rw.c
@@ -937,6 +937,13 @@ int io_read_mshot(struct io_kiocb *req, unsigned int issue_flags)
ret = __io_read(req, issue_flags);
/*
+ * If the file doesn't support proper NOWAIT, then disable multishot
+ * and stay in single shot mode.
+ */
+ if (!io_file_supports_nowait(req))
+ req->flags &= ~REQ_F_APOLL_MULTISHOT;
+
+ /*
* If we get -EAGAIN, recycle our buffer and just let normal poll
* handling arm it.
*/
@@ -955,7 +962,7 @@ int io_read_mshot(struct io_kiocb *req, unsigned int issue_flags)
/*
* Any successful return value will keep the multishot read armed.
*/
- if (ret > 0) {
+ if (ret > 0 && req->flags & REQ_F_APOLL_MULTISHOT) {
/*
* Put our buffer and post a CQE. If we fail to post a CQE, then
* jump to the termination path. This request is then done.