diff options
| author | Linus Torvalds <torvalds@linux-foundation.org> | 2021-12-23 15:32:07 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2021-12-23 15:32:07 -0800 |
| commit | a026fa5404316787c2104bec3f8ff506acf85b98 (patch) | |
| tree | 04eebf66360106918fef48755cdee3b8ccead2aa /fs | |
| parent | 7fe2bc1b64650fa6e3a7088786a983766676fd84 (diff) | |
| parent | 7b9762a5e8837b92a027d58d396a9d27f6440c36 (diff) | |
Merge tag 'io_uring-5.16-2021-12-23' of git://git.kernel.dk/linux-block
Pull io_uring fix from Jens Axboe:
"Single fix for not clearing kiocb->ki_pos back to 0 for a stream,
destined for stable as well"
* tag 'io_uring-5.16-2021-12-23' of git://git.kernel.dk/linux-block:
io_uring: zero iocb->ki_pos for stream file types
Diffstat (limited to 'fs')
| -rw-r--r-- | fs/io_uring.c | 10 |
1 files changed, 7 insertions, 3 deletions
diff --git a/fs/io_uring.c b/fs/io_uring.c index d5ab0e9a3f29..fb2a0cb4aaf8 100644 --- a/fs/io_uring.c +++ b/fs/io_uring.c @@ -2891,9 +2891,13 @@ static int io_prep_rw(struct io_kiocb *req, const struct io_uring_sqe *sqe) req->flags |= io_file_get_flags(file) << REQ_F_SUPPORT_NOWAIT_BIT; kiocb->ki_pos = READ_ONCE(sqe->off); - if (kiocb->ki_pos == -1 && !(file->f_mode & FMODE_STREAM)) { - req->flags |= REQ_F_CUR_POS; - kiocb->ki_pos = file->f_pos; + if (kiocb->ki_pos == -1) { + if (!(file->f_mode & FMODE_STREAM)) { + req->flags |= REQ_F_CUR_POS; + kiocb->ki_pos = file->f_pos; + } else { + kiocb->ki_pos = 0; + } } kiocb->ki_flags = iocb_flags(file); ret = kiocb_set_rw_flags(kiocb, READ_ONCE(sqe->rw_flags)); |