From: Stefan Roesch <shr@fb.com>
To: <io-uring@vger.kernel.org>, <kernel-team@fb.com>,
<linux-mm@kvack.org>, <linux-xfs@vger.kernel.org>,
<linux-fsdevel@vger.kernel.org>
Cc: <shr@fb.com>, <david@fromorbit.com>, <jack@suse.cz>,
<hch@infradead.org>, <axboe@kernel.dk>, <willy@infradead.org>
Subject: [PATCH v9 06/14] iomap: Return -EAGAIN from iomap_write_iter()
Date: Thu, 16 Jun 2022 14:22:13 -0700 [thread overview]
Message-ID: <20220616212221.2024518-7-shr@fb.com> (raw)
In-Reply-To: <20220616212221.2024518-1-shr@fb.com>
If iomap_write_iter() encounters -EAGAIN, return -EAGAIN to the caller.
Signed-off-by: Stefan Roesch <shr@fb.com>
---
fs/iomap/buffered-io.c | 8 +++++++-
1 file changed, 7 insertions(+), 1 deletion(-)
diff --git a/fs/iomap/buffered-io.c b/fs/iomap/buffered-io.c
index 83cf093fcb92..f2e36240079f 100644
--- a/fs/iomap/buffered-io.c
+++ b/fs/iomap/buffered-io.c
@@ -830,7 +830,13 @@ static loff_t iomap_write_iter(struct iomap_iter *iter, struct iov_iter *i)
length -= status;
} while (iov_iter_count(i) && length);
- return written ? written : status;
+ if (status == -EAGAIN) {
+ iov_iter_revert(i, written);
+ return -EAGAIN;
+ }
+ if (written)
+ return written;
+ return status;
}
ssize_t
--
2.30.2
next prev parent reply other threads:[~2022-06-16 21:52 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-06-16 21:22 [PATCH v9 00/14] io-uring/xfs: support async buffered writes Stefan Roesch
2022-06-16 21:22 ` [PATCH v9 01/14] mm: Move starting of background writeback into the main balancing loop Stefan Roesch
2022-06-16 21:22 ` [PATCH v9 02/14] mm: Move updates of dirty_exceeded into one place Stefan Roesch
2022-06-16 21:22 ` [PATCH v9 03/14] mm: Add balance_dirty_pages_ratelimited_flags() function Stefan Roesch
2022-06-20 0:53 ` kernel test robot
2022-06-16 21:22 ` [PATCH v9 05/14] iomap: Add async buffered write support Stefan Roesch
2022-06-16 21:22 ` Stefan Roesch [this message]
2022-06-16 21:22 ` [PATCH v9 09/14] fs: Split off inode_needs_update_time and __file_update_time Stefan Roesch
2022-06-16 21:22 ` [PATCH v9 11/14] io_uring: Add support for async buffered writes Stefan Roesch
2022-06-16 21:22 ` [PATCH v9 12/14] io_uring: Add tracepoint for short writes Stefan Roesch
2022-06-16 21:22 ` [PATCH v9 14/14] xfs: Add async buffered write support Stefan Roesch
2022-06-22 17:41 ` [PATCH v9 00/14] io-uring/xfs: support async buffered writes Jens Axboe
2022-06-22 19:35 ` Matthew Wilcox
2022-06-22 19:37 ` Jens Axboe
2022-06-22 21:24 ` Jan Kara
2022-06-22 22:27 ` Jens Axboe
2022-06-23 0:29 ` Darrick J. Wong
2022-06-23 0:50 ` Jens Axboe
2022-06-23 6:29 ` Darrick J. Wong
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20220616212221.2024518-7-shr@fb.com \
--to=shr@fb.com \
--cc=axboe@kernel.dk \
--cc=david@fromorbit.com \
--cc=hch@infradead.org \
--cc=io-uring@vger.kernel.org \
--cc=jack@suse.cz \
--cc=kernel-team@fb.com \
--cc=linux-fsdevel@vger.kernel.org \
--cc=linux-mm@kvack.org \
--cc=linux-xfs@vger.kernel.org \
--cc=willy@infradead.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).