From: Milosz Tanski <milosz@adfin.com>
To: linux-kernel@vger.kernel.org
Cc: Christoph Hellwig <hch@infradead.org>,
linux-fsdevel@vger.kernel.org, linux-aio@kvack.org,
Mel Gorman <mgorman@suse.de>,
Volker Lendecke <Volker.Lendecke@sernet.de>,
Tejun Heo <tj@kernel.org>, Jeff Moyer <jmoyer@redhat.com>,
"Theodore Ts'o" <tytso@mit.edu>,
Al Viro <viro@zeniv.linux.org.uk>,
linux-api@vger.kernel.org,
Michael Kerrisk <mtk.manpages@gmail.com>,
linux-man@vger.kernel.org
Subject: [PATCH v2 2/2] RWF_ODSYNC flag for pwritev2
Date: Thu, 6 Nov 2014 10:44:27 -0500 [thread overview]
Message-ID: <ee4674ce06aaabf8bee50b4f0168af8729bc2ef1.1415288353.git.milosz@adfin.com> (raw)
In-Reply-To: <d2cbc4795f774b521e13ac448d07a1156c6aa04d.1415288353.git.milosz@adfin.com>
In-Reply-To: <d2cbc4795f774b521e13ac448d07a1156c6aa04d.1415288353.git.milosz@adfin.com>
Document RWF_ODSYNC flag for pwritev2 as implemented by Christoph Hellwig.
Signed-off-by: Milosz Tanski <milosz@adfin.com>
---
man2/readv.2 | 10 ++++++++++
1 file changed, 10 insertions(+)
diff --git a/man2/readv.2 b/man2/readv.2
index 31b3870..ff1405c 100644
--- a/man2/readv.2
+++ b/man2/readv.2
@@ -203,6 +203,15 @@ contains a bitwise OR of one or more of the following flags:
.BR RWF_NONBLOCK " (only " preadv2() " since Linux 3.19)"
Performs a non-blocking operation for regular files (not sockets) opened in buffered mode (not
.BR O_DIRECT ")."
+.TP
+.BR RWF_DSYNC " (only " pwritev2() " since Linux 3.19)"
+Write operation will complete according to the requirements of synchronized I/O
+.I data
+integrity completion. This has the same effect on the operation as if the file handle was created by
+.BR open(2)
+with the
+.BR O_DSYNC
+flag.
.SH RETURN VALUE
On success,
@@ -333,6 +342,7 @@ nwritten = writev(STDOUT_FILENO, iov, 2);
.fi
.in
.SH SEE ALSO
+.BR open(2),
.BR pread (2),
.BR read (2),
.BR write (2)
--
1.9.1
WARNING: multiple messages have this Message-ID (diff)
From: Milosz Tanski <milosz-B5zB6C1i6pkAvxtiuMwx3w@public.gmane.org>
To: linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org
Cc: Christoph Hellwig <hch-wEGCiKHe2LqWVfeAwA7xHQ@public.gmane.org>,
linux-fsdevel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
linux-aio-Bw31MaZKKs3YtjvyW6yDsg@public.gmane.org,
Mel Gorman <mgorman-l3A5Bk7waGM@public.gmane.org>,
Volker Lendecke
<Volker.Lendecke-3ekOc4rQMZmzQB+pC5nmwQ@public.gmane.org>,
Tejun Heo <tj-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>,
Jeff Moyer <jmoyer-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>,
Theodore Ts'o <tytso-3s7WtUTddSA@public.gmane.org>,
Al Viro <viro-RmSDqhL/yNMiFSDQTTA3OLVCufUGDwFn@public.gmane.org>,
linux-api-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
Michael Kerrisk
<mtk.manpages-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>,
linux-man-u79uwXL29TY76Z2rM5mHXA@public.gmane.org
Subject: [PATCH v2 2/2] RWF_ODSYNC flag for pwritev2
Date: Thu, 6 Nov 2014 10:44:27 -0500 [thread overview]
Message-ID: <ee4674ce06aaabf8bee50b4f0168af8729bc2ef1.1415288353.git.milosz@adfin.com> (raw)
In-Reply-To: <d2cbc4795f774b521e13ac448d07a1156c6aa04d.1415288353.git.milosz-B5zB6C1i6pkAvxtiuMwx3w@public.gmane.org>
In-Reply-To: <d2cbc4795f774b521e13ac448d07a1156c6aa04d.1415288353.git.milosz-B5zB6C1i6pkAvxtiuMwx3w@public.gmane.org>
Document RWF_ODSYNC flag for pwritev2 as implemented by Christoph Hellwig.
Signed-off-by: Milosz Tanski <milosz-B5zB6C1i6pkAvxtiuMwx3w@public.gmane.org>
---
man2/readv.2 | 10 ++++++++++
1 file changed, 10 insertions(+)
diff --git a/man2/readv.2 b/man2/readv.2
index 31b3870..ff1405c 100644
--- a/man2/readv.2
+++ b/man2/readv.2
@@ -203,6 +203,15 @@ contains a bitwise OR of one or more of the following flags:
.BR RWF_NONBLOCK " (only " preadv2() " since Linux 3.19)"
Performs a non-blocking operation for regular files (not sockets) opened in buffered mode (not
.BR O_DIRECT ")."
+.TP
+.BR RWF_DSYNC " (only " pwritev2() " since Linux 3.19)"
+Write operation will complete according to the requirements of synchronized I/O
+.I data
+integrity completion. This has the same effect on the operation as if the file handle was created by
+.BR open(2)
+with the
+.BR O_DSYNC
+flag.
.SH RETURN VALUE
On success,
@@ -333,6 +342,7 @@ nwritten = writev(STDOUT_FILENO, iov, 2);
.fi
.in
.SH SEE ALSO
+.BR open(2),
.BR pread (2),
.BR read (2),
.BR write (2)
--
1.9.1
next prev parent reply other threads:[~2014-11-06 15:44 UTC|newest]
Thread overview: 74+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-11-05 21:14 [PATCH v5 0/7] vfs: Non-blockling buffered fs read (page cache only) Milosz Tanski
2014-11-05 21:14 ` [PATCH v5 1/7] vfs: Prepare for adding a new preadv/pwritev with user flags Milosz Tanski
2014-11-05 21:14 ` Milosz Tanski
2014-11-05 21:14 ` [PATCH v5 2/7] vfs: Define new syscalls preadv2,pwritev2 Milosz Tanski
2014-11-05 21:14 ` Milosz Tanski
2014-11-05 21:14 ` Milosz Tanski
2014-11-06 23:25 ` Jeff Moyer
2014-11-06 23:25 ` Jeff Moyer
2014-11-07 16:28 ` Milosz Tanski
2014-11-07 16:28 ` Milosz Tanski
2014-11-05 21:14 ` [PATCH v5 3/7] x86: wire up preadv2 and pwritev2 Milosz Tanski
2014-11-05 21:14 ` Milosz Tanski
2014-11-05 21:14 ` [PATCH v5 4/7] vfs: RWF_NONBLOCK flag for preadv2 Milosz Tanski
2014-11-05 21:14 ` Milosz Tanski
2014-11-05 21:14 ` [Ocfs2-devel] " Milosz Tanski
2014-11-05 21:14 ` Milosz Tanski
2014-11-10 16:07 ` Sage Weil
2014-11-10 16:07 ` Sage Weil
2014-11-10 16:07 ` [Ocfs2-devel] " Sage Weil
2014-11-10 16:07 ` Sage Weil
2014-11-05 21:14 ` [PATCH v5 5/7] xfs: add RWF_NONBLOCK support Milosz Tanski
2014-11-05 21:14 ` Milosz Tanski
2014-11-05 21:14 ` [PATCH v5 6/7] fs: pass iocb to generic_write_sync Milosz Tanski
2014-11-05 21:14 ` [Cluster-devel] " Milosz Tanski
2014-11-05 21:14 ` Milosz Tanski
2014-11-06 10:18 ` [Cluster-devel] " Steven Whitehouse
2014-11-06 10:18 ` Steven Whitehouse
2014-11-06 10:18 ` Steven Whitehouse
2014-11-06 10:52 ` [Linux-NTFS-Dev] " Anton Altaparmakov
2014-11-06 10:52 ` [Cluster-devel] " Anton Altaparmakov
2014-11-06 10:52 ` Anton Altaparmakov
2014-11-06 16:14 ` Milosz Tanski
2014-11-06 16:14 ` [Cluster-devel] " Milosz Tanski
2014-11-06 16:14 ` Milosz Tanski
2014-11-06 12:04 ` Jan Kara
2014-11-06 12:04 ` [Cluster-devel] " Jan Kara
2014-11-06 12:04 ` Jan Kara
2014-11-05 21:14 ` [PATCH v5 7/7] fs: add a flag for per-operation O_DSYNC semantics Milosz Tanski
2014-11-05 21:14 ` Milosz Tanski
2014-11-05 21:14 ` [Ocfs2-devel] " Milosz Tanski
2014-11-05 21:14 ` Milosz Tanski
2014-11-06 23:46 ` Jeff Moyer
2014-11-06 23:46 ` [Ocfs2-devel] " Jeff Moyer
2014-11-06 23:46 ` Jeff Moyer
2014-11-07 4:22 ` [PATCH v5 7/7] " Anton Altaparmakov
2014-11-07 4:22 ` Anton Altaparmakov
2014-11-07 4:22 ` [Ocfs2-devel] " Anton Altaparmakov
2014-11-07 4:22 ` Anton Altaparmakov
2014-11-07 5:52 ` [fuse-devel] " Anand Avati
2014-11-07 5:52 ` [Ocfs2-devel] " Anand Avati
2014-11-07 6:43 ` Anton Altaparmakov
2014-11-07 6:43 ` Anton Altaparmakov
2014-11-07 6:43 ` [Ocfs2-devel] " Anton Altaparmakov
2014-11-07 14:21 ` Roger Willcocks
2014-11-07 14:21 ` Roger Willcocks
2014-11-07 14:21 ` [Ocfs2-devel] " Roger Willcocks
2014-11-07 14:21 ` Roger Willcocks
2014-11-07 14:21 ` Roger Willcocks
2014-11-07 19:58 ` Milosz Tanski
2014-11-07 19:58 ` [Ocfs2-devel] " Milosz Tanski
2014-11-07 19:58 ` Milosz Tanski
2014-11-10 16:07 ` [PATCH v5 7/7] fs: " Sage Weil
2014-11-10 16:07 ` [Ocfs2-devel] " Sage Weil
2014-11-10 16:07 ` Sage Weil
2014-11-06 7:56 ` [PATCH v5 0/7] vfs: Non-blockling buffered fs read (page cache only) Christoph Hellwig
2014-11-06 7:56 ` Christoph Hellwig
2014-11-06 15:46 ` Milosz Tanski
2014-11-06 15:46 ` Milosz Tanski
2014-11-06 15:44 ` [PATCH v2 1/2] Add preadv2/pwritev2 documentation Milosz Tanski
2014-11-06 15:44 ` Milosz Tanski
2014-11-06 15:44 ` Milosz Tanski [this message]
2014-11-06 15:44 ` [PATCH v2 2/2] RWF_ODSYNC flag for pwritev2 Milosz Tanski
2014-11-06 16:16 ` [PATCH v5 0/7] vfs: Non-blockling buffered fs read (page cache only) Milosz Tanski
2014-11-06 16:16 ` Milosz Tanski
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