[XFS] Allow the option of skipping quotacheck processing.

SGI-PV: 922332
SGI-Modid: xfs-linux:xfs-kern:181416a
Signed-off-by: John Keller <jpk@sgi.com>
Signed-off-by: Nathan Scott <nathans@sgi.com>

fs/xfs/quota/xfs_qm.c

 /*
- * Copyright (c) 2000-2002 Silicon Graphics, Inc.  All Rights Reserved.
+ * Copyright (c) 2000-2004 Silicon Graphics, Inc.  All Rights Reserved.
  *
  * This program is free software; you can redistribute it and/or modify it
  * under the terms of version 2 of the GNU General Public License as
@@ -85,7 +85,6 @@ kmem_shaker_t	xfs_qm_shaker;
 
 STATIC void	xfs_qm_list_init(xfs_dqlist_t *, char *, int);
 STATIC void	xfs_qm_list_destroy(xfs_dqlist_t *);
-STATIC int	xfs_qm_quotacheck(xfs_mount_t *);
 
 STATIC int	xfs_qm_init_quotainos(xfs_mount_t *);
 STATIC int	xfs_qm_shake(int, unsigned int);
@@ -349,7 +348,8 @@ xfs_qm_unmount_quotadestroy(
  */
 int
 xfs_qm_mount_quotas(
-	xfs_mount_t	*mp)
+	xfs_mount_t	*mp,
+	int		mfsi_flags)
 {
 	unsigned long	s;
 	int		error = 0;
@@ -398,22 +398,16 @@ xfs_qm_mount_quotas(
 	/*
 	 * If any of the quotas are not consistent, do a quotacheck.
 	 */
-	if (XFS_QM_NEED_QUOTACHECK(mp)) {
+	if (XFS_QM_NEED_QUOTACHECK(mp) &&
+		!(mfsi_flags & XFS_MFSI_NO_QUOTACHECK)) {
 #ifdef DEBUG
 		cmn_err(CE_NOTE, "Doing a quotacheck. Please wait.");
 #endif
 		if ((error = xfs_qm_quotacheck(mp))) {
-			cmn_err(CE_WARN, "Quotacheck unsuccessful (Error %d): "
-				"Disabling quotas.",
-				error);
-			/*
-			 * We must turn off quotas.
+			/* Quotacheck has failed and quotas have
+			 * been disabled.
 			 */
-			ASSERT(mp->m_quotainfo != NULL);
-			ASSERT(xfs_Gqm != NULL);
-			xfs_qm_destroy_quotainfo(mp);
-			mp->m_qflags = 0;
-			goto write_changes;
+			return XFS_ERROR(error);
 		}
 #ifdef DEBUG
 		cmn_err(CE_NOTE, "Done quotacheck.");
@@ -1875,9 +1869,9 @@ xfs_qm_dqusage_adjust(
 
 /*
  * Walk thru all the filesystem inodes and construct a consistent view
- * of the disk quota world.
+ * of the disk quota world. If the quotacheck fails, disable quotas.
  */
-STATIC int
+int
 xfs_qm_quotacheck(
 	xfs_mount_t	*mp)
 {
@@ -1973,7 +1967,20 @@ xfs_qm_quotacheck(
 	XQM_LIST_PRINT(&(XFS_QI_MPL_LIST(mp)), MPL_NEXT, "++++ Mp list +++");
 
  error_return:
+	if (error) {
+		cmn_err(CE_WARN, "XFS quotacheck %s: Unsuccessful (Error %d): "
+			"Disabling quotas.",
+			mp->m_fsname, error);
+		/*
+		 * We must turn off quotas.
+		 */
+		ASSERT(mp->m_quotainfo != NULL);
+		ASSERT(xfs_Gqm != NULL);
+		xfs_qm_destroy_quotainfo(mp);
+		xfs_mount_reset_sbqflags(mp);
+	} else {
 		cmn_err(CE_NOTE, "XFS quotacheck %s: Done.", mp->m_fsname);
+	}
 	return (error);
 }
 

fs/xfs/quota/xfs_qm.h

 /*
- * Copyright (c) 2000-2003 Silicon Graphics, Inc.  All Rights Reserved.
+ * Copyright (c) 2000-2004 Silicon Graphics, Inc.  All Rights Reserved.
  *
  * This program is free software; you can redistribute it and/or modify it
  * under the terms of version 2 of the GNU General Public License as
@@ -182,10 +182,13 @@ typedef struct xfs_dquot_acct {
 #define XFS_QM_HOLD(xqm)	((xqm)->qm_nrefs++)
 #define XFS_QM_RELE(xqm)	((xqm)->qm_nrefs--)
 
+extern void		xfs_mount_reset_sbqflags(xfs_mount_t *);
+
 extern int		xfs_qm_init_quotainfo(xfs_mount_t *);
 extern void		xfs_qm_destroy_quotainfo(xfs_mount_t *);
-extern int		xfs_qm_mount_quotas(xfs_mount_t *);
+extern int		xfs_qm_mount_quotas(xfs_mount_t *, int);
 extern void		xfs_qm_mount_quotainit(xfs_mount_t *, uint);
+extern int		xfs_qm_quotacheck(xfs_mount_t *);
 extern void		xfs_qm_unmount_quotadestroy(xfs_mount_t *);
 extern int		xfs_qm_unmount_quotas(xfs_mount_t *);
 extern int		xfs_qm_write_sb_changes(xfs_mount_t *, __int64_t);

fs/xfs/quota/xfs_qm_bhv.c

 /*
- * Copyright (c) 2000-2003 Silicon Graphics, Inc.  All Rights Reserved.
+ * Copyright (c) 2000-2004 Silicon Graphics, Inc.  All Rights Reserved.
  *
  * This program is free software; you can redistribute it and/or modify it
  * under the terms of version 2 of the GNU General Public License as
@@ -207,10 +207,9 @@ xfs_qm_syncall(
 }
 
 /*
- * When xfsquotas isn't installed and the superblock had quotas, we need to
- * clear the quotaflags from superblock.
+ * Clear the quotaflags in memory and in the superblock.
  */
-STATIC void
+void
 xfs_mount_reset_sbqflags(
 	xfs_mount_t		*mp)
 {
@@ -241,6 +240,8 @@ xfs_mount_reset_sbqflags(
 	if (xfs_trans_reserve(tp, 0, mp->m_sb.sb_sectsize + 128, 0, 0,
 				      XFS_DEFAULT_LOG_COUNT)) {
 		xfs_trans_cancel(tp, 0);
+		xfs_fs_cmn_err(CE_ALERT, mp,
+			"xfs_mount_reset_sbqflags: Superblock update failed!");
 		return;
 	}
 	xfs_mod_sb(tp, XFS_SB_QFLAGS);
@@ -294,15 +295,12 @@ xfs_qm_newmount(
 		 */
 		if (quotaondisk && !XFS_QM_NEED_QUOTACHECK(mp)) {
 			/*
-			 * If the xfs quota code isn't installed,
-			 * we have to reset the quotachk'd bit.
 			 * If an error occured, qm_mount_quotas code
 			 * has already disabled quotas. So, just finish
 			 * mounting, and get on with the boring life
 			 * without disk quotas.
 			 */
-			if (xfs_qm_mount_quotas(mp))
-				xfs_mount_reset_sbqflags(mp);
+			xfs_qm_mount_quotas(mp, 0);
 		} else {
 			/*
 			 * Clear the quota flags, but remember them. This
@@ -324,13 +322,13 @@ STATIC int
 xfs_qm_endmount(
 	xfs_mount_t	*mp,
 	uint		needquotamount,
-	uint		quotaflags)
+	uint		quotaflags,
+	int		mfsi_flags)
 {
 	if (needquotamount) {
 		ASSERT(mp->m_qflags == 0);
 		mp->m_qflags = quotaflags;
-		if (xfs_qm_mount_quotas(mp))
-			xfs_mount_reset_sbqflags(mp);
+		xfs_qm_mount_quotas(mp, mfsi_flags);
 	}
 
 #if defined(DEBUG) && defined(XFS_LOUD_RECOVERY)

fs/xfs/xfs_mount.c

@@ -1036,7 +1036,7 @@ xfs_mountfs(
 	/*
 	 * Complete the quota initialisation, post-log-replay component.
 	 */
-	if ((error = XFS_QM_MOUNT(mp, quotamount, quotaflags)))
+	if ((error = XFS_QM_MOUNT(mp, quotamount, quotaflags, mfsi_flags)))
 		goto error4;
 
 	return 0;

fs/xfs/xfs_mount.h

@@ -133,7 +133,7 @@ struct xfs_dqtrxops;
 struct xfs_quotainfo;
 
 typedef int	(*xfs_qminit_t)(struct xfs_mount *, uint *, uint *);
-typedef int	(*xfs_qmmount_t)(struct xfs_mount *, uint, uint);
+typedef int	(*xfs_qmmount_t)(struct xfs_mount *, uint, uint, int);
 typedef int	(*xfs_qmunmount_t)(struct xfs_mount *);
 typedef void	(*xfs_qmdone_t)(struct xfs_mount *);
 typedef void	(*xfs_dqrele_t)(struct xfs_dquot *);
@@ -171,8 +171,8 @@ typedef struct xfs_qmops {
 
 #define XFS_QM_INIT(mp, mnt, fl) \
 	(*(mp)->m_qm_ops.xfs_qminit)(mp, mnt, fl)
-#define XFS_QM_MOUNT(mp, mnt, fl) \
-	(*(mp)->m_qm_ops.xfs_qmmount)(mp, mnt, fl)
+#define XFS_QM_MOUNT(mp, mnt, fl, mfsi_flags) \
+	(*(mp)->m_qm_ops.xfs_qmmount)(mp, mnt, fl, mfsi_flags)
 #define XFS_QM_UNMOUNT(mp) \
 	(*(mp)->m_qm_ops.xfs_qmunmount)(mp)
 #define XFS_QM_DONE(mp) \
@@ -466,6 +466,7 @@ typedef struct xfs_mount {
 #define XFS_MFSI_CLIENT		0x02	/* Is a client -- skip lots of stuff */
 #define XFS_MFSI_NOUNLINK	0x08	/* Skip unlinked inode processing in */
 					/* log recovery */
+#define XFS_MFSI_NO_QUOTACHECK	0x10	/* Skip quotacheck processing */
 
 /*
  * Macros for getting from mount to vfs and back.