[XFS] make SYNC_ATTR no longer use xfs_sync

Continue to de-multiplex xfs_sync be replacing all SYNC_ATTR callers with
direct calls xfs_sync_inodes(). Add an assert into xfs_sync() to ensure we
caught all the SYNC_ATTR callers.

SGI-PV: 988140

SGI-Modid: xfs-linux-melb:xfs-kern:32308a

Signed-off-by: David Chinner <david@fromorbit.com>
Signed-off-by: Lachlan McIlroy <lachlan@sgi.com>
Signed-off-by: Christoph Hellwig <hch@infradead.org>

4 files changed, 14 insertions, 15 deletions

diff --git a/fs/xfs/linux-2.6/xfs_super.c b/fs/xfs/linux-2.6/xfs_super.c
index 767f38e0e0bb..38d380a7ca23 100644
--- a/fs/xfs/linux-2.6/xfs_super.c
+++ b/fs/xfs/linux-2.6/xfs_super.c
@@ -998,7 +998,8 @@ xfs_fs_put_super(
         int                     error;
 
         xfs_syncd_stop(mp);
-        xfs_sync(mp, SYNC_ATTR | SYNC_DELWRI);
+        xfs_log_force(mp, 0, XFS_LOG_FORCE|XFS_LOG_SYNC);
+        xfs_sync_inodes(mp, SYNC_ATTR|SYNC_DELWRI);
 
 #ifdef HAVE_DMAPI
         if (mp->m_flags & XFS_MOUNT_DMAPI) {
diff --git a/fs/xfs/linux-2.6/xfs_sync.c b/fs/xfs/linux-2.6/xfs_sync.c
index 3c31137cdc7f..002ccb6f0cbe 100644
--- a/fs/xfs/linux-2.6/xfs_sync.c
+++ b/fs/xfs/linux-2.6/xfs_sync.c
@@ -342,9 +342,8 @@ xfs_sync_fsdata(
  *                     periodically.  We also push the inodes and
  *                     superblock if we can lock them without sleeping
  *                      and they are not pinned.
- *      SYNC_ATTR    - We need to flush the inodes.  If SYNC_BDFLUSH is not
- *                     set, then we really want to lock each inode and flush
- *                     it.
+ *      SYNC_ATTR    - We need to flush the inodes. Now handled by direct calls
+ *                     to xfs_sync_inodes().
  *      SYNC_WAIT    - All the flushes that take place in this call should
  *                     be synchronous.
  *      SYNC_DELWRI  - This tells us to push dirty pages associated with
@@ -373,6 +372,8 @@ xfs_sync(
         int             last_error = 0;
         uint            log_flags = XFS_LOG_FORCE;
 
+        ASSERT(!(flags & SYNC_ATTR));
+
         /*
          * Get the Quota Manager to flush the dquots.
          *
@@ -403,20 +404,18 @@ xfs_sync(
 
         xfs_log_force(mp, (xfs_lsn_t)0, log_flags);
 
-        if (flags & (SYNC_ATTR|SYNC_DELWRI)) {
+        if (flags & SYNC_DELWRI) {
                 if (flags & SYNC_BDFLUSH)
                         xfs_finish_reclaim_all(mp, 1, XFS_IFLUSH_DELWRI_ELSE_ASYNC);
                 else
                         error = xfs_sync_inodes(mp, flags);
-        }
-
-        /*
-         * Flushing out dirty data above probably generated more
-         * log activity, so if this isn't vfs_sync() then flush
-         * the log again.
-         */
-        if (flags & SYNC_DELWRI)
+                /*
+                 * Flushing out dirty data above probably generated more
+                 * log activity, so if this isn't vfs_sync() then flush
+                 * the log again.
+                 */
                 xfs_log_force(mp, 0, log_flags);
+        }
 
         if (flags & SYNC_FSDATA) {
                 error = xfs_sync_fsdata(mp, flags);
diff --git a/fs/xfs/linux-2.6/xfs_sync.h b/fs/xfs/linux-2.6/xfs_sync.h
index 295486199406..5316915c0834 100644
--- a/fs/xfs/linux-2.6/xfs_sync.h
+++ b/fs/xfs/linux-2.6/xfs_sync.h
@@ -49,7 +49,6 @@ typedef struct bhv_vfs_sync_work {
  * to disk (this is the main difference between a sync and a quiesce).
  */
 #define SYNC_DATA_QUIESCE       (SYNC_DELWRI|SYNC_FSDATA|SYNC_WAIT|SYNC_IOWAIT)
-#define SYNC_INODE_QUIESCE      (SYNC_REMOUNT|SYNC_ATTR|SYNC_WAIT)
 
 int xfs_syncd_init(struct xfs_mount *mp);
 void xfs_syncd_stop(struct xfs_mount *mp);
diff --git a/fs/xfs/xfs_vfsops.c b/fs/xfs/xfs_vfsops.c
index d5396d6f5170..c82b9555959b 100644
--- a/fs/xfs/xfs_vfsops.c
+++ b/fs/xfs/xfs_vfsops.c
@@ -76,7 +76,7 @@ xfs_quiesce_fs(
          */
         do {
                 xfs_log_force(mp, 0, XFS_LOG_FORCE|XFS_LOG_SYNC);
-                xfs_sync_inodes(mp, SYNC_INODE_QUIESCE);
+                xfs_sync_inodes(mp, SYNC_ATTR|SYNC_WAIT);
                 pincount = xfs_flush_buftarg(mp->m_ddev_targp, 1);
                 if (!pincount) {
                         delay(50);