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| author | Jens Axboe <axboe@kernel.dk> | 2021-09-24 17:43:54 +0300 |
|---|---|---|
| committer | Jens Axboe <axboe@kernel.dk> | 2021-09-24 19:24:34 +0300 |
| commit | cdb31c29d397a8076d81fd1458d091c647ef94ba (patch) | |
| tree | 8e10100e9f1e1fbabb114cccb705ab60ceb07952 /fs | |
| parent | 9990da93d2bf9892c2c14c958bef050d4e461a1a (diff) | |
| download | linux-cdb31c29d397a8076d81fd1458d091c647ef94ba.tar.xz | |
io_uring: don't punt files update to io-wq unconditionally
There's no reason to punt it unconditionally, we just need to ensure that
the submit lock grabbing is conditional.
Fixes: 05f3fb3c5397 ("io_uring: avoid ring quiesce for fixed file set unregister and update")
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'fs')
| -rw-r--r-- | fs/io_uring.c | 7 |
1 files changed, 2 insertions, 5 deletions
diff --git a/fs/io_uring.c b/fs/io_uring.c index 01e49d01fe74..c6139ace11fa 100644 --- a/fs/io_uring.c +++ b/fs/io_uring.c @@ -6340,19 +6340,16 @@ static int io_files_update(struct io_kiocb *req, unsigned int issue_flags) struct io_uring_rsrc_update2 up; int ret; - if (issue_flags & IO_URING_F_NONBLOCK) - return -EAGAIN; - up.offset = req->rsrc_update.offset; up.data = req->rsrc_update.arg; up.nr = 0; up.tags = 0; up.resv = 0; - mutex_lock(&ctx->uring_lock); + io_ring_submit_lock(ctx, !(issue_flags & IO_URING_F_NONBLOCK)); ret = __io_register_rsrc_update(ctx, IORING_RSRC_FILE, &up, req->rsrc_update.nr_args); - mutex_unlock(&ctx->uring_lock); + io_ring_submit_unlock(ctx, !(issue_flags & IO_URING_F_NONBLOCK)); if (ret < 0) req_set_fail(req); |