The branch, v3-6-test has been updated
via 40d20d1 s3: Document gpfs:syncio
via 88c14b4 gpfs.so: Add gpfs:syncio option
from dae276b s3:libsmb convert user-specified domain to uppercase
http://gitweb.samba.org/?p=samba.git;a=shortlog;h=v3-6-test
- Log -----------------------------------------------------------------
commit 40d20d13e78868e312201ba4345730fd6ab36b41
Author: Volker Lendecke <v...@samba.org>
Date: Mon May 16 13:30:26 2011 +0200
s3: Document gpfs:syncio
Autobuild-User: Volker Lendecke <vlen...@samba.org>
Autobuild-Date: Mon May 16 15:00:40 CEST 2011 on sn-devel-104
(cherry picked from commit 3358d5a7cae1c2a99495c38069531fc87fe22b24)
commit 88c14b4a14a7713861443244bac9ff95774e38ed
Author: Gregor Beck <gb...@sernet.de>
Date: Thu May 5 16:28:58 2011 +0200
gpfs.so: Add gpfs:syncio option
This enables optimizations for shared file access on gpfs
(cherry picked from commit 2ddfbbbdba0003fda85f2d1c0be87ceca2586e5d)
-----------------------------------------------------------------------
Summary of changes:
docs-xml/manpages-3/vfs_gpfs.8.xml | 20 ++++++++++++++++++++
source3/modules/vfs_gpfs.c | 13 +++++++++++++
2 files changed, 33 insertions(+), 0 deletions(-)
Changeset truncated at 500 lines:
diff --git a/docs-xml/manpages-3/vfs_gpfs.8.xml
b/docs-xml/manpages-3/vfs_gpfs.8.xml
index 5f89ffa..a6b3124 100644
--- a/docs-xml/manpages-3/vfs_gpfs.8.xml
+++ b/docs-xml/manpages-3/vfs_gpfs.8.xml
@@ -276,6 +276,26 @@
</listitem>
</varlistentry>
+ <varlistentry>
+ <term>gpfs:syncio = [yes|no]</term>
+ <listitem>
+ <para>This parameter makes Samba open all files with O_SYNC.
+ This triggers optimizations in GPFS for workloads that
+ heavily share files.</para>
+
+ <para>Following is the behaviour of Samba for different
+ values:
+ </para>
+ <itemizedlist>
+ <listitem><para><command>yes</command>Open files with O_SYNC
+ </para></listitem>
+ <listitem><para><command>no (default)</command>Open files as
+ normal Samba would do
+ </para></listitem>
+ </itemizedlist>
+ </listitem>
+ </varlistentry>
+
</variablelist>
</refsect1>
diff --git a/source3/modules/vfs_gpfs.c b/source3/modules/vfs_gpfs.c
index 7d5d199..08e5f55 100644
--- a/source3/modules/vfs_gpfs.c
+++ b/source3/modules/vfs_gpfs.c
@@ -32,6 +32,7 @@
#include <gpfs_gpl.h>
#include "nfs4_acls.h"
#include "vfs_gpfs.h"
+#include "system/filesys.h"
struct gpfs_config_data {
bool sharemodes;
@@ -1299,6 +1300,17 @@ static uint32_t vfs_gpfs_capabilities(struct
vfs_handle_struct *handle,
return next;
}
+static int vfs_gpfs_open(struct vfs_handle_struct *handle,
+ struct smb_filename *smb_fname, files_struct *fsp,
+ int flags, mode_t mode)
+{
+ if (lp_parm_bool(fsp->conn->params->service, "gpfs", "syncio",
+ false)) {
+ flags |= O_SYNC;
+ }
+ return SMB_VFS_NEXT_OPEN(handle, smb_fname, fsp, flags, mode);
+}
+
static struct vfs_fn_pointers vfs_gpfs_fns = {
.connect_fn = vfs_gpfs_connect,
@@ -1326,6 +1338,7 @@ static struct vfs_fn_pointers vfs_gpfs_fns = {
.is_offline = vfs_gpfs_is_offline,
.aio_force = vfs_gpfs_aio_force,
.sendfile = vfs_gpfs_sendfile,
+ .open_fn = vfs_gpfs_open,
.ftruncate = vfs_gpfs_ftruncate
};
--
Samba Shared Repository
