From: Ming Lei <tom.leiming@gmail.com>
To: Jens Axboe <axboe@fb.com>, linux-kernel@vger.kernel.org
Cc: Christoph Hellwig <hch@infradead.org>,
Ming Lei <tom.leiming@gmail.com>,
"open list:F2FS FILE SYSTEM"
<linux-f2fs-devel@lists.sourceforge.net>,
linux-block@vger.kernel.org, Jaegeuk Kim <jaegeuk@kernel.org>
Subject: [PATCH v1 06/54] f2fs: f2fs_read_end_io: comment on direct access to bvec table
Date: Tue, 27 Dec 2016 23:55:55 +0800 [thread overview]
Message-ID: <1482854250-13481-7-git-send-email-tom.leiming@gmail.com> (raw)
In-Reply-To: <1482854250-13481-1-git-send-email-tom.leiming@gmail.com>
Signed-off-by: Ming Lei <tom.leiming@gmail.com>
---
fs/f2fs/data.c | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/fs/f2fs/data.c b/fs/f2fs/data.c
index 9ac262564fa6..5d1a192e1c3c 100644
--- a/fs/f2fs/data.c
+++ b/fs/f2fs/data.c
@@ -55,6 +55,10 @@ static void f2fs_read_end_io(struct bio *bio)
int i;
#ifdef CONFIG_F2FS_FAULT_INJECTION
+ /*
+ * It is still safe to retrieve the 1st page of the bio
+ * in this way after supporting multipage bvec.
+ */
if (time_to_inject(F2FS_P_SB(bio->bi_io_vec->bv_page), FAULT_IO))
bio->bi_error = -EIO;
#endif
--
2.7.4
------------------------------------------------------------------------------
Check out the vibrant tech community on one of the world's most
engaging tech sites, SlashDot.org! http://sdm.link/slashdot
prev parent reply other threads:[~2016-12-27 15:59 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-12-27 15:55 [PATCH v1 00/54] block: support multipage bvec Ming Lei
2016-12-27 15:55 ` Ming Lei [this message]
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=1482854250-13481-7-git-send-email-tom.leiming@gmail.com \
--to=tom.leiming@gmail.com \
--cc=axboe@fb.com \
--cc=hch@infradead.org \
--cc=jaegeuk@kernel.org \
--cc=linux-block@vger.kernel.org \
--cc=linux-f2fs-devel@lists.sourceforge.net \
--cc=linux-kernel@vger.kernel.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).