summaryrefslogtreecommitdiffstats
path: root/fs/xfs/xfs_vfsops.c
diff options
context:
space:
mode:
Diffstat (limited to 'fs/xfs/xfs_vfsops.c')
-rw-r--r--fs/xfs/xfs_vfsops.c74
1 files changed, 37 insertions, 37 deletions
diff --git a/fs/xfs/xfs_vfsops.c b/fs/xfs/xfs_vfsops.c
index b537366..42bcc02 100644
--- a/fs/xfs/xfs_vfsops.c
+++ b/fs/xfs/xfs_vfsops.c
@@ -368,16 +368,6 @@ xfs_finish_flags(
}
/*
- * 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.
*/
if (ap->flags & XFSMNT_SHARED) {
@@ -622,7 +612,34 @@ out:
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(
@@ -632,8 +649,7 @@ 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;
@@ -645,25 +661,7 @@ xfs_mntupdate(
}
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);
@@ -879,10 +877,12 @@ xfs_sync(
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);
}
/*
@@ -1681,7 +1681,7 @@ suffix_strtoul(const char *cp, char **endp, unsigned int base)
return simple_strtoul(cp, endp, base) << shift_left_factor;
}
-int
+STATIC int
xfs_parseargs(
struct bhv_desc *bhv,
char *options,
@@ -1867,7 +1867,7 @@ printk("XFS: irixsgid is now a sysctl(2) variable, option is deprecated.\n");
return 0;
}
-int
+STATIC int
xfs_showargs(
struct bhv_desc *bhv,
struct seq_file *m)
OpenPOWER on IntegriCloud