diff options
| author | Pavel Begunkov <asml.silence@gmail.com> | 2021-03-22 01:58:31 +0000 |
|---|---|---|
| committer | Jens Axboe <axboe@kernel.dk> | 2021-04-11 17:41:59 -0600 |
| commit | 1c98679db94155a145f8389f9aaee30c99dbbd5a (patch) | |
| tree | 5c7926ecb6a34e2bc26f33b22d392aedb3cda67f /fs/io_uring.c | |
| parent | 59d7001345a7b9d849e2e768903458883395b00f (diff) | |
| download | lwn-1c98679db94155a145f8389f9aaee30c99dbbd5a.tar.gz lwn-1c98679db94155a145f8389f9aaee30c99dbbd5a.zip | |
io_uring: optimise kiocb_end_write for !ISREG
file_end_write() is only for regular files, so the function do a couple
of dereferences to get inode and check for it. However, we already have
REQ_F_ISREG at hand, just use it and inline file_end_write().
Signed-off-by: Pavel Begunkov <asml.silence@gmail.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'fs/io_uring.c')
| -rw-r--r-- | fs/io_uring.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/fs/io_uring.c b/fs/io_uring.c index 605f253e8f93..a3a0348ab6eb 100644 --- a/fs/io_uring.c +++ b/fs/io_uring.c @@ -2431,11 +2431,11 @@ static void kiocb_end_write(struct io_kiocb *req) * thread. */ if (req->flags & REQ_F_ISREG) { - struct inode *inode = file_inode(req->file); + struct super_block *sb = file_inode(req->file)->i_sb; - __sb_writers_acquired(inode->i_sb, SB_FREEZE_WRITE); + __sb_writers_acquired(sb, SB_FREEZE_WRITE); + sb_end_write(sb); } - file_end_write(req->file); } #ifdef CONFIG_BLOCK |