io_uring: correct O_NONBLOCK check for splice punt

The splice file punt check uses file->f_mode to check for O_NONBLOCK,
but it should be checking file->f_flags. This leads to punting even
for files that have O_NONBLOCK set, which isn't necessary. This equates
to checking for FMODE_PATH, which will never be set on the fd in
question.

Fixes: 7d67af2c0134 ("io_uring: add splice(2) support")
Signed-off-by: Jens Axboe <axboe@kernel.dk>

diff --git a/fs/io_uring.c b/fs/io_uring.c
index 68a678a..0d1b5d5 100644 (file)
--- a/fs/io_uring.c
+++ b/fs/io_uring.c
@@ -2763,7 +2763,7 @@ static bool io_splice_punt(struct file *file)
                return false;
        if (!io_file_supports_async(file))
                return true;
-       return !(file->f_mode & O_NONBLOCK);
+       return !(file->f_flags & O_NONBLOCK);
 }
 
 static int io_splice(struct io_kiocb *req, bool force_nonblock)