Merge git://oss.sgi.com:8090/oss/git/xfs-2.6

1 files changed, 24 insertions, 38 deletions

diff --git a/fs/xfs/xfs_vfsops.c b/fs/xfs/xfs_vfsops.c
index 42bcc021520..f1a904e23ad 100644
--- a/fs/xfs/xfs_vfsops.c
+++ b/fs/xfs/xfs_vfsops.c
@@ -795,7 +795,6 @@ xfs_statvfs(
 	xfs_mount_t	*mp;
 	xfs_sb_t	*sbp;
 	unsigned long	s;
-	u64 id;
 
 	mp = XFS_BHVTOM(bdp);
 	sbp = &(mp->m_sb);
@@ -823,9 +822,7 @@ xfs_statvfs(
 	statp->f_ffree = statp->f_files - (sbp->sb_icount - sbp->sb_ifree);
 	XFS_SB_UNLOCK(mp, s);
 
-	id = huge_encode_dev(mp->m_dev);
-	statp->f_fsid.val[0] = (u32)id;
-	statp->f_fsid.val[1] = (u32)(id >> 32);
+	xfs_statvfs_fsid(statp, mp);
 	statp->f_namelen = MAXNAMELEN - 1;
 
 	return 0;
@@ -906,7 +903,6 @@ xfs_sync_inodes(
 	xfs_inode_t	*ip_next;
 	xfs_buf_t	*bp;
 	vnode_t		*vp = NULL;
-	vmap_t		vmap;
 	int		error;
 	int		last_error;
 	uint64_t	fflag;
@@ -1101,48 +1097,21 @@ xfs_sync_inodes(
 		 * lock in xfs_ireclaim() after the inode is pulled from
 		 * the mount list will sleep until we release it here.
 		 * This keeps the vnode from being freed while we reference
-		 * it.  It is also cheaper and simpler than actually doing
-		 * a vn_get() for every inode we touch here.
+		 * it.
 		 */
 		if (xfs_ilock_nowait(ip, lock_flags) == 0) {
-
 			if ((flags & SYNC_BDFLUSH) || (vp == NULL)) {
 				ip = ip->i_mnext;
 				continue;
 			}
 
-			/*
-			 * We need to unlock the inode list lock in order
-			 * to lock the inode. Insert a marker record into
-			 * the inode list to remember our position, dropping
-			 * the lock is now done inside the IPOINTER_INSERT
-			 * macro.
-			 *
-			 * We also use the inode list lock to protect us
-			 * in taking a snapshot of the vnode version number
-			 * for use in calling vn_get().
-			 */
-			VMAP(vp, vmap);
-			IPOINTER_INSERT(ip, mp);
-
-			vp = vn_get(vp, &vmap);
+			vp = vn_grab(vp);
 			if (vp == NULL) {
-				/*
-				 * The vnode was reclaimed once we let go
-				 * of the inode list lock.  Skip to the
-				 * next list entry. Remove the marker.
-				 */
-
-				XFS_MOUNT_ILOCK(mp);
-
-				mount_locked = B_TRUE;
-				vnode_refed  = B_FALSE;
-
-				IPOINTER_REMOVE(ip, mp);
-
+				ip = ip->i_mnext;
 				continue;
 			}
 
+			IPOINTER_INSERT(ip, mp);
 			xfs_ilock(ip, lock_flags);
 
 			ASSERT(vp == XFS_ITOV(ip));
@@ -1533,7 +1502,10 @@ xfs_syncsub(
 	 * eventually kicked out of the cache.
 	 */
 	if (flags & SYNC_REFCACHE) {
-		xfs_refcache_purge_some(mp);
+		if (flags & SYNC_WAIT)
+			xfs_refcache_purge_mp(mp);
+		else
+			xfs_refcache_purge_some(mp);
 	}
 
 	/*
@@ -1649,6 +1621,10 @@ xfs_vget(
 #define MNTOPT_SWIDTH	"swidth"	/* data volume stripe width */
 #define MNTOPT_NOUUID	"nouuid"	/* ignore filesystem UUID */
 #define MNTOPT_MTPT	"mtpt"		/* filesystem mount point */
+#define MNTOPT_GRPID	"grpid"		/* group-ID from parent directory */
+#define MNTOPT_NOGRPID	"nogrpid"	/* group-ID from current process */
+#define MNTOPT_BSDGROUPS    "bsdgroups"    /* group-ID from parent directory */
+#define MNTOPT_SYSVGROUPS   "sysvgroups"   /* group-ID from current process */
 #define MNTOPT_ALLOCSIZE    "allocsize"    /* preferred allocation size */
 #define MNTOPT_IHASHSIZE    "ihashsize"    /* size of inode hash table */
 #define MNTOPT_NORECOVERY   "norecovery"   /* don't run XFS recovery */
@@ -1769,6 +1745,12 @@ xfs_parseargs(
 			}
 			args->flags |= XFSMNT_IHASHSIZE;
 			args->ihashsize = simple_strtoul(value, &eov, 10);
+		} else if (!strcmp(this_char, MNTOPT_GRPID) ||
+			   !strcmp(this_char, MNTOPT_BSDGROUPS)) {
+			vfsp->vfs_flag |= VFS_GRPID;
+		} else if (!strcmp(this_char, MNTOPT_NOGRPID) ||
+			   !strcmp(this_char, MNTOPT_SYSVGROUPS)) {
+			vfsp->vfs_flag &= ~VFS_GRPID;
 		} else if (!strcmp(this_char, MNTOPT_WSYNC)) {
 			args->flags |= XFSMNT_WSYNC;
 		} else if (!strcmp(this_char, MNTOPT_OSYNCISOSYNC)) {
@@ -1890,6 +1872,7 @@ xfs_showargs(
 	};
 	struct proc_xfs_info	*xfs_infop;
 	struct xfs_mount	*mp = XFS_BHVTOM(bhv);
+	struct vfs		*vfsp = XFS_MTOVFS(mp);
 
 	for (xfs_infop = xfs_info; xfs_infop->flag; xfs_infop++) {
 		if (mp->m_flags & xfs_infop->flag)
@@ -1926,7 +1909,10 @@ xfs_showargs(
 
 	if (!(mp->m_flags & XFS_MOUNT_32BITINOOPT))
 		seq_printf(m, "," MNTOPT_64BITINODE);
-	
+
+	if (vfsp->vfs_flag & VFS_GRPID)
+		seq_printf(m, "," MNTOPT_GRPID);
+
 	return 0;
 }