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-rw-r--r--fs/io_uring.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/fs/io_uring.c b/fs/io_uring.c
index e6829d1bf4b4..1a3ca6577a10 100644
--- a/fs/io_uring.c
+++ b/fs/io_uring.c
@@ -2340,6 +2340,12 @@ static int io_write(struct io_kiocb *req, struct io_kiocb **nxt,
ret2 = call_write_iter(req->file, kiocb, &iter);
else
ret2 = loop_rw_iter(WRITE, req->file, kiocb, &iter);
+ /*
+ * Raw bdev writes will -EOPNOTSUPP for IOCB_NOWAIT. Just
+ * retry them without IOCB_NOWAIT.
+ */
+ if (ret2 == -EOPNOTSUPP && (kiocb->ki_flags & IOCB_NOWAIT))
+ ret2 = -EAGAIN;
if (!force_nonblock || ret2 != -EAGAIN) {
kiocb_done(kiocb, ret2, nxt, req->in_async);
} else {