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2024-11-06replace do_getxattr() with saner helpers.Al Viro1-24/+7
similar to do_setxattr() in the previous commit... Reviewed-by: Christian Brauner <brauner@kernel.org> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2024-11-06replace do_setxattr() with saner helpers.Al Viro1-34/+7
io_uring setxattr logics duplicates stuff from fs/xattr.c; provide saner helpers (filename_setxattr() and file_setxattr() resp.) and use them. NB: putname(ERR_PTR()) is a no-op Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2024-11-06new helper: import_xattr_name()Al Viro1-5/+2
common logics for marshalling xattr names. Reviewed-by: Christian Brauner <brauner@kernel.org> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2024-11-06fs: rename struct xattr_ctx to kernel_xattr_ctxChristian Göttsche1-1/+1
Rename the struct xattr_ctx to increase distinction with the about to be added user API struct xattr_args. No functional change. Suggested-by: Christian Brauner <brauner@kernel.org> Signed-off-by: Christian Göttsche <cgzones@googlemail.com> Link: https://lore.kernel.org/r/20240426162042.191916-2-cgoettsche@seltendoof.de Reviewed-by: Jan Kara <jack@suse.cz> Signed-off-by: Christian Brauner <brauner@kernel.org> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2024-11-03io_[gs]etxattr_prep(): just use getname()Al Viro1-2/+2
getname_flags(pathname, LOOKUP_FOLLOW) is obviously bogus - following trailing symlinks has no impact on how to copy the pathname from userland... Reviewed-by: Christian Brauner <brauner@kernel.org> Reviewed-by: Jens Axboe <axboe@kernel.dk> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2024-10-20io_uring: IORING_OP_F[GS]ETXATTR is fine with REQ_F_FIXED_FILEJens Axboe1-6/+6
Rejection of IOSQE_FIXED_FILE combined with IORING_OP_[GS]ETXATTR is fine - these do not take a file descriptor, so such combination makes no sense. The checks are misplaced, though - as it is, they triggers on IORING_OP_F[GS]ETXATTR as well, and those do take a file reference, no matter the origin. Signed-off-by: Jens Axboe <axboe@kernel.dk> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2024-06-05vfs: retire user_path_at_empty and drop empty arg from getname_flagsMateusz Guzik1-2/+2
No users after do_readlinkat started doing the job on its own. Signed-off-by: Mateusz Guzik <mjguzik@gmail.com> Link: https://lore.kernel.org/r/20240604155257.109500-3-mjguzik@gmail.com Reviewed-by: Jan Kara <jack@suse.cz> Signed-off-by: Christian Brauner <brauner@kernel.org>
2024-02-07io_uring: use file_mnt_idmap helperAlexander Mikhalitsyn1-1/+1
Let's use file_mnt_idmap() as we do that across the tree. No functional impact. Cc: Christian Brauner <brauner@kernel.org> Cc: Jens Axboe <axboe@kernel.dk> Cc: Pavel Begunkov <asml.silence@gmail.com> Cc: io-uring@vger.kernel.org Cc: linux-fsdevel@vger.kernel.org Cc: linux-kernel@vger.kernel.org Signed-off-by: Alexander Mikhalitsyn <aleksandr.mikhalitsyn@canonical.com> Link: https://lore.kernel.org/r/20240129180024.219766-2-aleksandr.mikhalitsyn@canonical.com Signed-off-by: Jens Axboe <axboe@kernel.dk>
2023-01-30io_uring: for requests that require async, force itDylan Yudaken1-8/+6
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>
2022-10-31acl: conver higher-level helpers to rely on mnt_idmapChristian Brauner1-5/+3
Convert an initial portion to rely on struct mnt_idmap by converting the high level xattr helpers. Reviewed-by: Seth Forshee (DigitalOcean) <sforshee@kernel.org> Signed-off-by: Christian Brauner (Microsoft) <brauner@kernel.org>
2022-09-02__io_setxattr(): constify pathAl Viro1-1/+1
Reviewed-by: Christian Brauner (Microsoft) <brauner@kernel.org> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2022-08-13io_uring: make io_kiocb_to_cmd() typesafeStefan Metzmacher1-9/+9
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>
2022-07-25io_uring: kill extra io_uring_types.h includesPavel Begunkov1-1/+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>
2022-07-25io_uring: move xattr related opcodes to its own fileJens Axboe1-0/+259
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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