diff options
author | Amir Goldstein <amir73il@gmail.com> | 2023-08-17 16:13:35 +0200 |
---|---|---|
committer | Christian Brauner <brauner@kernel.org> | 2023-08-21 17:27:26 +0200 |
commit | 8c3cfa80fd1ee9cd4b249de197f5ca9bbfae0daf (patch) | |
tree | c7a9cebe807e641948583eeb1cc3f81ec67abd8a | |
parent | io_uring: use kiocb_{start,end}_write() helpers (diff) | |
download | linux-8c3cfa80fd1ee9cd4b249de197f5ca9bbfae0daf.tar.xz linux-8c3cfa80fd1ee9cd4b249de197f5ca9bbfae0daf.zip |
aio: use kiocb_{start,end}_write() helpers
Use helpers instead of the open coded dance to silence lockdep warnings.
Suggested-by: Jan Kara <jack@suse.cz>
Signed-off-by: Amir Goldstein <amir73il@gmail.com>
Reviewed-by: Jan Kara <jack@suse.cz>
Reviewed-by: Jens Axboe <axboe@kernel.dk>
Message-Id: <20230817141337.1025891-6-amir73il@gmail.com>
Signed-off-by: Christian Brauner <brauner@kernel.org>
-rw-r--r-- | fs/aio.c | 20 |
1 files changed, 3 insertions, 17 deletions
@@ -1447,13 +1447,8 @@ static void aio_complete_rw(struct kiocb *kiocb, long res) if (kiocb->ki_flags & IOCB_WRITE) { struct inode *inode = file_inode(kiocb->ki_filp); - /* - * Tell lockdep we inherited freeze protection from submission - * thread. - */ if (S_ISREG(inode->i_mode)) - __sb_writers_acquired(inode->i_sb, SB_FREEZE_WRITE); - file_end_write(kiocb->ki_filp); + kiocb_end_write(kiocb); } iocb->ki_res.res = res; @@ -1581,17 +1576,8 @@ static int aio_write(struct kiocb *req, const struct iocb *iocb, return ret; ret = rw_verify_area(WRITE, file, &req->ki_pos, iov_iter_count(&iter)); if (!ret) { - /* - * Open-code file_start_write here to grab freeze protection, - * which will be released by another thread in - * aio_complete_rw(). Fool lockdep by telling it the lock got - * released so that it doesn't complain about the held lock when - * we return to userspace. - */ - if (S_ISREG(file_inode(file)->i_mode)) { - sb_start_write(file_inode(file)->i_sb); - __sb_writers_release(file_inode(file)->i_sb, SB_FREEZE_WRITE); - } + if (S_ISREG(file_inode(file)->i_mode)) + kiocb_start_write(req); req->ki_flags |= IOCB_WRITE; aio_rw_done(req, call_write_iter(file, req, &iter)); } |