From: Stefan Roesch <shr@fb.com>
To: <kernel-team@fb.com>, <io-uring@vger.kernel.org>,
<linux-btrfs@vger.kernel.org>
Cc: <shr@fb.com>, <axboe@kernel.dk>, <josef@toxicpanda.com>
Subject: [PATCH v1 10/10] btrfs: enable nowait async buffered writes
Date: Thu, 1 Sep 2022 15:58:49 -0700 [thread overview]
Message-ID: <20220901225849.42898-11-shr@fb.com> (raw)
In-Reply-To: <20220901225849.42898-1-shr@fb.com>
Enable nowait async buffered writes in btrfs_do_write_iter() and
btrfs_file_open().
Signed-off-by: Stefan Roesch <shr@fb.com>
---
fs/btrfs/file.c | 8 ++++----
1 file changed, 4 insertions(+), 4 deletions(-)
diff --git a/fs/btrfs/file.c b/fs/btrfs/file.c
index b498541228ca..984225a92207 100644
--- a/fs/btrfs/file.c
+++ b/fs/btrfs/file.c
@@ -2107,13 +2107,13 @@ ssize_t btrfs_do_write_iter(struct kiocb *iocb, struct iov_iter *from,
if (BTRFS_FS_ERROR(inode->root->fs_info))
return -EROFS;
- if ((iocb->ki_flags & IOCB_NOWAIT) && !(iocb->ki_flags & IOCB_DIRECT))
- return -EOPNOTSUPP;
-
if (sync)
atomic_inc(&inode->sync_writers);
if (encoded) {
+ if (iocb->ki_flags & IOCB_NOWAIT)
+ return -EOPNOTSUPP;
+
num_written = btrfs_encoded_write(iocb, from, encoded);
num_sync = encoded->len;
} else if (iocb->ki_flags & IOCB_DIRECT) {
@@ -3755,7 +3755,7 @@ static int btrfs_file_open(struct inode *inode, struct file *filp)
{
int ret;
- filp->f_mode |= FMODE_NOWAIT | FMODE_BUF_RASYNC;
+ filp->f_mode |= FMODE_NOWAIT | FMODE_BUF_RASYNC | FMODE_BUF_WASYNC;
ret = fsverity_file_open(inode, filp);
if (ret)
--
2.30.2
prev parent reply other threads:[~2022-09-01 22:59 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-09-01 22:58 [PATCH v1 00/10] io-uring/btrfs: support async buffered writes Stefan Roesch
2022-09-01 22:58 ` [PATCH v1 01/10] btrfs: implement a nowait option for tree searches Stefan Roesch
2022-09-02 14:48 ` Filipe Manana
2022-09-02 14:57 ` Jens Axboe
2022-09-02 15:04 ` Filipe Manana
2022-09-08 0:29 ` Stefan Roesch
2022-09-08 0:28 ` Stefan Roesch
2022-09-01 22:58 ` [PATCH v1 02/10] btrfs: make can_nocow_extent nowait compatible Stefan Roesch
2022-09-01 22:58 ` [PATCH v1 03/10] btrfs: add the ability to use NO_FLUSH for data reservations Stefan Roesch
2022-09-01 22:58 ` [PATCH v1 04/10] btrfs: add btrfs_try_lock_ordered_range Stefan Roesch
2022-09-01 22:58 ` [PATCH v1 05/10] btrfs: make btrfs_check_nocow_lock nowait compatible Stefan Roesch
2022-09-01 22:58 ` [PATCH v1 06/10] btrfs: make prepare_pages " Stefan Roesch
2022-09-01 22:58 ` [PATCH v1 07/10] btrfs: make lock_and_cleanup_extent_if_need " Stefan Roesch
2022-09-01 22:58 ` [PATCH v1 08/10] btrfs: btrfs: plumb NOWAIT through the write path Stefan Roesch
2022-09-01 22:58 ` [PATCH v1 09/10] btrfs: make balance_dirty_pages nowait compatible Stefan Roesch
2022-09-02 14:34 ` kernel test robot
2022-09-02 14:43 ` Jens Axboe
2022-09-08 0:26 ` Stefan Roesch
2022-09-01 22:58 ` Stefan Roesch [this message]
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