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Re: [PATCH 1/2] kill xfs_freeze

To: Donald Douwsma <donaldd@xxxxxxx>
Subject: Re: [PATCH 1/2] kill xfs_freeze
From: Christoph Hellwig <hch@xxxxxx>
Date: Wed, 26 Sep 2007 10:23:52 +0200
Cc: Christoph Hellwig <hch@xxxxxx>, xfs@xxxxxxxxxxx
In-reply-to: <46F9A38E.6000200@sgi.com>
References: <20070925194528.GA1818@lst.de> <46F9A38E.6000200@sgi.com>
Sender: xfs-bounce@xxxxxxxxxxx
User-agent: Mutt/1.3.28i
> This has removed all use of xfs_freeze, but I cant see a diff
> hunk that removes the xfs_freeze implementation from xfs_vfsops.c

Looks like that hunk got lost in a merge.  Here's an updated version
of the patch that actually removes xfs_freeze:


Index: linux-2.6-xfs/fs/xfs/linux-2.6/xfs_super.c
===================================================================
--- linux-2.6-xfs.orig/fs/xfs/linux-2.6/xfs_super.c     2007-09-25 
15:04:01.000000000 +0200
+++ linux-2.6-xfs/fs/xfs/linux-2.6/xfs_super.c  2007-09-26 10:13:54.000000000 
+0200
@@ -41,6 +41,7 @@
 #include "xfs_rtalloc.h"
 #include "xfs_error.h"
 #include "xfs_itable.h"
+#include "xfs_fsops.h"
 #include "xfs_rw.h"
 #include "xfs_acl.h"
 #include "xfs_attr.h"
@@ -684,11 +685,19 @@ xfs_fs_remount(
        return -error;
 }
 
+/*
+ * Second stage of a freeze. The data is already frozen so we only
+ * need to take care of themetadata. Once that's done write a dummy
+ * record to dirty the log in case of a crash while frozen.
+ */
 STATIC void
 xfs_fs_lockfs(
        struct super_block      *sb)
 {
-       xfs_freeze(XFS_M(sb));
+       struct xfs_mount        *mp = XFS_M(sb);
+
+       xfs_attr_quiesce(mp);
+       xfs_fs_log_dummy(mp);
 }
 
 STATIC int
Index: linux-2.6-xfs/fs/xfs/xfs_vfsops.c
===================================================================
--- linux-2.6-xfs.orig/fs/xfs/xfs_vfsops.c      2007-09-25 15:04:01.000000000 
+0200
+++ linux-2.6-xfs/fs/xfs/xfs_vfsops.c   2007-09-26 10:14:07.000000000 +0200
@@ -692,7 +692,7 @@ xfs_quiesce_fs(
  * care of the metadata. New transactions are already blocked, so we need to
  * wait for any remaining transactions to drain out before proceding.
  */
-STATIC void
+void
 xfs_attr_quiesce(
        xfs_mount_t     *mp)
 {
@@ -1955,16 +1955,3 @@ xfs_showargs(
                seq_puts(m, "," MNTOPT_DMAPI);
        return 0;
 }
-
-/*
- * Second stage of a freeze. The data is already frozen so we only
- * need to take care of themetadata. Once that's done write a dummy
- * record to dirty the log in case of a crash while frozen.
- */
-void
-xfs_freeze(
-       xfs_mount_t     *mp)
-{
-       xfs_attr_quiesce(mp);
-       xfs_fs_log_dummy(mp);
-}
Index: linux-2.6-xfs/fs/xfs/xfs_vfsops.h
===================================================================
--- linux-2.6-xfs.orig/fs/xfs/xfs_vfsops.h      2007-09-25 15:04:01.000000000 
+0200
+++ linux-2.6-xfs/fs/xfs/xfs_vfsops.h   2007-09-26 10:13:54.000000000 +0200
@@ -21,8 +21,8 @@ int xfs_vget(struct xfs_mount *mp, bhv_v
 int xfs_parseargs(struct xfs_mount *mp, char *options,
                struct xfs_mount_args *args, int update);
 int xfs_showargs(struct xfs_mount *mp, struct seq_file *m);
-void xfs_freeze(struct xfs_mount *mp);
 void xfs_do_force_shutdown(struct xfs_mount *mp, int flags, char *fname,
                int lnnum);
+void xfs_attr_quiesce(struct xfs_mount *mp);
 
 #endif /* _XFS_VFSOPS_H */


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