return XFS_ERROR(EROFS);
}
- /*
- * disallow mount attempts with (IRIX) project quota enabled
- */
- if (XFS_SB_VERSION_HASQUOTA(&mp->m_sb) &&
- (mp->m_sb.sb_qflags & XFS_PQUOTA_ACCT)) {
- cmn_err(CE_WARN,
- "XFS: cannot mount a filesystem with IRIX project quota enabled");
- return XFS_ERROR(ENOSYS);
- }
-
/*
* check for shared mount.
*/
return XFS_ERROR(error);
}
-#define REMOUNT_READONLY_FLAGS (SYNC_REMOUNT|SYNC_ATTR|SYNC_WAIT)
+STATIC int
+xfs_quiesce_fs(
+ xfs_mount_t *mp)
+{
+ int count = 0, pincount;
+
+ xfs_refcache_purge_mp(mp);
+ xfs_flush_buftarg(mp->m_ddev_targp, 0);
+ xfs_finish_reclaim_all(mp, 0);
+
+ /* This loop must run at least twice.
+ * The first instance of the loop will flush
+ * most meta data but that will generate more
+ * meta data (typically directory updates).
+ * Which then must be flushed and logged before
+ * we can write the unmount record.
+ */
+ do {
+ xfs_syncsub(mp, SYNC_REMOUNT|SYNC_ATTR|SYNC_WAIT, 0, NULL);
+ pincount = xfs_flush_buftarg(mp->m_ddev_targp, 1);
+ if (!pincount) {
+ delay(50);
+ count++;
+ }
+ } while (count < 2);
+
+ return 0;
+}
STATIC int
xfs_mntupdate(
{
struct vfs *vfsp = bhvtovfs(bdp);
xfs_mount_t *mp = XFS_BHVTOM(bdp);
- int pincount, error;
- int count = 0;
+ int error;
if (args->flags & XFSMNT_NOATIME)
mp->m_flags |= XFS_MOUNT_NOATIME;
}
if (*flags & MS_RDONLY) {
- xfs_refcache_purge_mp(mp);
- xfs_flush_buftarg(mp->m_ddev_targp, 0);
- xfs_finish_reclaim_all(mp, 0);
-
- /* This loop must run at least twice.
- * The first instance of the loop will flush
- * most meta data but that will generate more
- * meta data (typically directory updates).
- * Which then must be flushed and logged before
- * we can write the unmount record.
- */
- do {
- VFS_SYNC(vfsp, REMOUNT_READONLY_FLAGS, NULL, error);
- pincount = xfs_flush_buftarg(mp->m_ddev_targp, 1);
- if (!pincount) {
- delay(50);
- count++;
- }
- } while (count < 2);
+ xfs_quiesce_fs(mp);
/* Ok now write out an unmount record */
xfs_log_unmount_write(mp);
xfs_mount_t *mp;
xfs_sb_t *sbp;
unsigned long s;
- u64 id;
mp = XFS_BHVTOM(bdp);
sbp = &(mp->m_sb);
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;
int flags,
cred_t *credp)
{
- xfs_mount_t *mp;
+ xfs_mount_t *mp = XFS_BHVTOM(bdp);
- mp = XFS_BHVTOM(bdp);
- return (xfs_syncsub(mp, flags, 0, NULL));
+ if (unlikely(flags == SYNC_QUIESCE))
+ return xfs_quiesce_fs(mp);
+ else
+ return xfs_syncsub(mp, flags, 0, NULL);
}
/*
xfs_inode_t *ip_next;
xfs_buf_t *bp;
vnode_t *vp = NULL;
- vmap_t vmap;
int error;
int last_error;
uint64_t fflag;
* 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));
* 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);
}
/*
#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 */
return simple_strtoul(cp, endp, base) << shift_left_factor;
}
-int
+STATIC int
xfs_parseargs(
struct bhv_desc *bhv,
char *options,
}
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)) {
return 0;
}
-int
+STATIC int
xfs_showargs(
struct bhv_desc *bhv,
struct seq_file *m)
};
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)
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;
}
projects / linux-2.6-omap-h63xx.git / blobdiff