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* io_uring/fs: consider link->flags when getting path for LINKATCharles Mirabile2023-11-201-1/+1
| | | | | | | | | | | | | In order for `AT_EMPTY_PATH` to work as expected, the fact that the user wants that behavior needs to make it to `getname_flags` or it will return ENOENT. Fixes: cf30da90bc3a ("io_uring: add support for IORING_OP_LINKAT") Cc: <stable@vger.kernel.org> Link: https://github.com/axboe/liburing/issues/995 Signed-off-by: Charles Mirabile <cmirabil@redhat.com> Link: https://lore.kernel.org/r/20231120105545.1209530-1-cmirabil@redhat.com Signed-off-by: Jens Axboe <axboe@kernel.dk>
* io_uring/fs: remove sqe->rw_flags checking from LINKATJens Axboe2023-09-291-1/+1
| | | | | | | | | | | | This is unionized with the actual link flags, so they can of course be set and they will be evaluated further down. If not we fail any LINKAT that has to set option flags. Fixes: cf30da90bc3a ("io_uring: add support for IORING_OP_LINKAT") Cc: stable@vger.kernel.org Reported-by: Thomas Leonard <talex5@gmail.com> Link: https://github.com/axboe/liburing/issues/955 Signed-off-by: Jens Axboe <axboe@kernel.dk>
* io_uring: for requests that require async, force itDylan Yudaken2023-01-291-10/+10
| | | | | | | | | | | | | | Some requests require being run async as they do not support non-blocking. Instead of trying to issue these requests, getting -EAGAIN and then queueing them for async issue, rather just force async upfront. Add WARN_ON_ONCE to make sure surprising code paths do not come up, however in those cases the bug would end up being a blocking io_uring_enter(2) which should not be critical. Signed-off-by: Dylan Yudaken <dylany@meta.com> Link: https://lore.kernel.org/r/20230127135227.3646353-3-dylany@meta.com Signed-off-by: Jens Axboe <axboe@kernel.dk>
* io_uring: make io_kiocb_to_cmd() typesafeStefan Metzmacher2022-08-121-14/+14
| | | | | | | | | We need to make sure (at build time) that struct io_cmd_data is not casted to a structure that's larger. Signed-off-by: Stefan Metzmacher <metze@samba.org> Link: https://lore.kernel.org/r/c024cdf25ae19fc0319d4180e2298bade8ed17b8.1660201408.git.metze@samba.org Signed-off-by: Jens Axboe <axboe@kernel.dk>
* io_uring: kill extra io_uring_types.h includesPavel Begunkov2022-07-241-1/+0
| | | | | | | | | | io_uring/io_uring.h already includes io_uring_types.h, no need to include it every time. Kill it in a bunch of places, it prepares us for following patches. Signed-off-by: Pavel Begunkov <asml.silence@gmail.com> Link: https://lore.kernel.org/r/94d8c943fbe0ef949981c508ddcee7fc1c18850f.1655384063.git.asml.silence@gmail.com Signed-off-by: Jens Axboe <axboe@kernel.dk>
* io_uring: split out filesystem related operationsJens Axboe2022-07-241-0/+294
This splits out renameat, unlinkat, mkdirat, symlinkat, and linkat. Signed-off-by: Jens Axboe <axboe@kernel.dk>
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