1 files changed, 24 insertions, 38 deletions

diff --git a/fs/xfs/xfs_vfsops.c b/fs/xfs/xfs_vfsops.c
index 42bcc0215203..f1a904e23ade 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;
 }