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authorChristian Ambach <christian.ambach@de.ibm.com>2011-02-18 13:03:52 +0100
committerVolker Lendecke <vlendec@samba.org>2011-02-18 17:31:59 +0100
commitd05aa90384082c348113021500ac15716d060ead (patch)
tree9e8ec92b665f091f63f808fd1ee5d1a26c7de155 /source3
parent927792b21235bf8409ea04022b2912728f21d79e (diff)
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s3:vfs:syncops add option to disable metasync per share
introduce an option to disable the metadata sync in case the filesystem handles this correctly the sync can be skipped, but synchronization of the data that was written can still be configured (in opposition to the disable flag disabling all sync operations) Autobuild-User: Volker Lendecke <vlendec@samba.org> Autobuild-Date: Fri Feb 18 17:31:59 CET 2011 on sn-devel-104
Diffstat (limited to 'source3')
-rw-r--r--source3/modules/vfs_syncops.c18
1 files changed, 14 insertions, 4 deletions
diff --git a/source3/modules/vfs_syncops.c b/source3/modules/vfs_syncops.c
index 2b7c2a34da..76072abc33 100644
--- a/source3/modules/vfs_syncops.c
+++ b/source3/modules/vfs_syncops.c
@@ -2,6 +2,7 @@
* ensure meta data operations are performed synchronously
*
* Copyright (C) Andrew Tridgell 2007
+ * Copyright (C) Christian Ambach, 2010-2011
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
@@ -37,13 +38,19 @@
syncops:onclose = no
that can be set either globally or per share.
- you can also disable the module completely for a service with
+ On certain filesystems that only require the last data written to be
+ fsync()'ed, you can disable the metadata synchronization of this module with
+ syncops:onmeta = no
+ This option can be set either globally or per share.
+
+ you can also disable the module completely for a share with
syncops:disable = true
*/
struct syncops_config_data {
bool onclose;
+ bool onmeta;
bool disable;
};
@@ -142,7 +149,7 @@ static int syncops_rename(vfs_handle_struct *handle,
return -1);
ret = SMB_VFS_NEXT_RENAME(handle, smb_fname_src, smb_fname_dst);
- if (ret == 0 && !config->disable) {
+ if (ret == 0 && config->onmeta && !config->disable) {
syncops_two_names(smb_fname_src->base_name,
smb_fname_dst->base_name);
}
@@ -158,7 +165,7 @@ static int syncops_rename(vfs_handle_struct *handle,
return -1); \
ret = SMB_VFS_NEXT_ ## op args; \
if (ret == 0 \
- && !config->disable \
+ && config->onmeta && !config->disable \
&& fname) syncops_name(fname); \
return ret; \
} while (0)
@@ -171,7 +178,7 @@ static int syncops_rename(vfs_handle_struct *handle,
return -1); \
ret = SMB_VFS_NEXT_ ## op args; \
if (ret == 0 \
- && !config->disable \
+ && config->onmeta && !config->disable \
&& fname) syncops_smb_fname(fname); \
return ret; \
} while (0)
@@ -255,6 +262,9 @@ int syncops_connect(struct vfs_handle_struct *handle, const char *service,
config->onclose = lp_parm_bool(SNUM(handle->conn), "syncops",
"onclose", true);
+ config->onmeta = lp_parm_bool(SNUM(handle->conn), "syncops",
+ "onmeta", true);
+
config->disable = lp_parm_bool(SNUM(handle->conn), "syncops",
"disable", false);