[XFS] Provide a mechiansm for flushing delalloc before quota reporting.

SGI-PV: 942815
SGI-Modid: xfs-linux:xfs-kern:23829a

Signed-off-by: Nathan Scott <nathans@sgi.com>

5 files changed, 23 insertions, 4 deletions

diff --git a/fs/xfs/linux-2.6/xfs_fs_subr.c b/fs/xfs/linux-2.6/xfs_fs_subr.c
index 05ebd30ec96f..88134cba5cb0 100644
--- a/fs/xfs/linux-2.6/xfs_fs_subr.c
+++ b/fs/xfs/linux-2.6/xfs_fs_subr.c
@@ -117,6 +117,8 @@ fs_flush_pages(
 
         if (VN_CACHED(vp)) {
                 filemap_fdatawrite(ip->i_mapping);
+                if (flags & XFS_B_ASYNC)
+                        return 0;
                 filemap_fdatawait(ip->i_mapping);
         }
 
diff --git a/fs/xfs/linux-2.6/xfs_super.c b/fs/xfs/linux-2.6/xfs_super.c
index d2701cc624b9..fa87279405d8 100644
--- a/fs/xfs/linux-2.6/xfs_super.c
+++ b/fs/xfs/linux-2.6/xfs_super.c
@@ -767,6 +767,18 @@ linvfs_show_options(
 }
 
 STATIC int
+linvfs_quotasync(
+        struct super_block      *sb,
+        int                     type)
+{
+        struct vfs              *vfsp = LINVFS_GET_VFS(sb);
+        int                     error;
+
+        VFS_QUOTACTL(vfsp, Q_XQUOTASYNC, 0, (caddr_t)NULL, error);
+        return -error;
+}
+
+STATIC int
 linvfs_getxstate(
         struct super_block      *sb,
         struct fs_quota_stat    *fqs)
@@ -934,6 +946,7 @@ STATIC struct super_operations linvfs_sops = {
 };
 
 STATIC struct quotactl_ops linvfs_qops = {
+        .quota_sync             = linvfs_quotasync,
         .get_xstate             = linvfs_getxstate,
         .set_xstate             = linvfs_setxstate,
         .get_xquota             = linvfs_getxquota,
diff --git a/fs/xfs/quota/xfs_qm_syscalls.c b/fs/xfs/quota/xfs_qm_syscalls.c
index 4e397940b3a6..485f83d41191 100644
--- a/fs/xfs/quota/xfs_qm_syscalls.c
+++ b/fs/xfs/quota/xfs_qm_syscalls.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2000-2003 Silicon Graphics, Inc.  All Rights Reserved.
+ * Copyright (c) 2000-2005 Silicon Graphics, Inc.  All Rights Reserved.
  *
  * This program is free software; you can redistribute it and/or modify it
  * under the terms of version 2 of the GNU General Public License as
@@ -109,7 +109,7 @@ xfs_qm_quotactl(
         vfsp = bhvtovfs(bdp);
         mp = XFS_VFSTOM(vfsp);
 
-        ASSERT(addr != NULL);
+        ASSERT(addr != NULL || cmd == Q_XQUOTASYNC);
 
         /*
          * The following commands are valid even when quotaoff.
@@ -147,6 +147,9 @@ xfs_qm_quotactl(
                         return XFS_ERROR(EROFS);
                 break;
 
+        case Q_XQUOTASYNC:
+                return (xfs_sync_inodes(mp, SYNC_DELWRI, 0, NULL));
+
         default:
                 break;
         }
diff --git a/fs/xfs/xfs_mount.h b/fs/xfs/xfs_mount.h
index bc55931ac74e..0653beecf93a 100644
--- a/fs/xfs/xfs_mount.h
+++ b/fs/xfs/xfs_mount.h
@@ -556,6 +556,7 @@ extern int	xfs_readsb(xfs_mount_t *mp);
 extern void     xfs_freesb(xfs_mount_t *);
 extern void     xfs_do_force_shutdown(bhv_desc_t *, int, char *, int);
 extern int      xfs_syncsub(xfs_mount_t *, int, int, int *);
+extern int      xfs_sync_inodes(xfs_mount_t *, int, int, int *);
 extern xfs_agnumber_t   xfs_initialize_perag(xfs_mount_t *, xfs_agnumber_t);
 extern void     xfs_xlatesb(void *, struct xfs_sb *, int, __int64_t);
 
diff --git a/fs/xfs/xfs_vfsops.c b/fs/xfs/xfs_vfsops.c
index 8238c7517822..9142351df515 100644
--- a/fs/xfs/xfs_vfsops.c
+++ b/fs/xfs/xfs_vfsops.c
@@ -903,7 +903,7 @@ xfs_sync(
  * only available by calling this routine.
  *
  */
-STATIC int
+int
 xfs_sync_inodes(
         xfs_mount_t     *mp,
         int             flags,
@@ -987,7 +987,7 @@ xfs_sync_inodes(
         ipointer = (xfs_iptr_t *)kmem_zalloc(sizeof(xfs_iptr_t), KM_SLEEP);
 
         fflag = XFS_B_ASYNC;            /* default is don't wait */
-        if (flags & SYNC_BDFLUSH)
+        if (flags & (SYNC_BDFLUSH | SYNC_DELWRI))
                 fflag = XFS_B_DELWRI;
         if (flags & SYNC_WAIT)
                 fflag = 0;              /* synchronous overrides all */