We hash regular files to avoid having multiple threads hammer on the
inode mutex, but it should not be needed on other types of files
(like sockets).
Signed-off-by: Jens Axboe <axboe@xxxxxxxxx>
---
fs/io_uring.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/fs/io_uring.c b/fs/io_uring.c
index 4fd65ff230eb..8258a2f299e3 100644
--- a/fs/io_uring.c
+++ b/fs/io_uring.c
@@ -581,7 +581,9 @@ static inline bool io_prep_async_work(struct io_kiocb *req,
switch (req->sqe->opcode) {
case IORING_OP_WRITEV:
case IORING_OP_WRITE_FIXED:
- do_hashed = true;
+ /* only regular files should be hashed for writes */
+ if (req->flags & REQ_F_ISREG)
+ do_hashed = true;
/* fall-through */
case IORING_OP_READV:
case IORING_OP_READ_FIXED:
--
2.24.0
