Merge branch 'for-linus' of git://oss.sgi.com:8090/xfs/xfs-2.6

* 'for-linus' of git://oss.sgi.com:8090/xfs/xfs-2.6: (87 commits)
  [XFS] Fix merge failure
  [XFS] The forward declarations for the xfs_ioctl() helpers and the
  [XFS] Update XFS documentation for noikeep/ikeep.
  [XFS] Update XFS Documentation for ikeep and ihashsize
  [XFS] Remove unused HAVE_SPLICE macro.
  [XFS] Remove CONFIG_XFS_SECURITY.
  [XFS] xfs_bmap_compute_maxlevels should be based on di_forkoff
  [XFS] Always use di_forkoff when checking for attr space.
  [XFS] Ensure the inode is joined in xfs_itruncate_finish
  [XFS] Remove periodic logging of in-core superblock counters.
  [XFS] fix logic error in xfs_alloc_ag_vextent_near()
  [XFS] Don't error out on good I/Os.
  [XFS] Catch log unmount failures.
  [XFS] Sanitise xfs_log_force error checking.
  [XFS] Check for errors when changing buffer pointers.
  [XFS] Don't allow silent errors in xfs_inactive().
  [XFS] Catch errors from xfs_imap().
  [XFS] xfs_bulkstat_one_dinode() never returns an error.
  [XFS] xfs_iflush_fork() never returns an error.
  [XFS] Catch unwritten extent conversion errors.
  ...

1 files changed, 26 insertions, 18 deletions

diff --git a/fs/xfs/quota/xfs_qm_syscalls.c b/fs/xfs/quota/xfs_qm_syscalls.c
index d2b8be7e75f9..8342823dbdc3 100644
--- a/fs/xfs/quota/xfs_qm_syscalls.c
+++ b/fs/xfs/quota/xfs_qm_syscalls.c
@@ -279,9 +279,12 @@ xfs_qm_scall_quotaoff(
 
 	/*
 	 * Write the LI_QUOTAOFF log record, and do SB changes atomically,
-	 * and synchronously.
+	 * and synchronously. If we fail to write, we should abort the
+	 * operation as it cannot be recovered safely if we crash.
 	 */
-	xfs_qm_log_quotaoff(mp, &qoffstart, flags);
+	error = xfs_qm_log_quotaoff(mp, &qoffstart, flags);
+	if (error)
+		goto out_error;
 
 	/*
 	 * Next we clear the XFS_MOUNT_*DQ_ACTIVE bit(s) in the mount struct
@@ -337,7 +340,12 @@ xfs_qm_scall_quotaoff(
 	 * So, we have QUOTAOFF start and end logitems; the start
 	 * logitem won't get overwritten until the end logitem appears...
 	 */
-	xfs_qm_log_quotaoff_end(mp, qoffstart, flags);
+	error = xfs_qm_log_quotaoff_end(mp, qoffstart, flags);
+	if (error) {
+		/* We're screwed now. Shutdown is the only option. */
+		xfs_force_shutdown(mp, SHUTDOWN_CORRUPT_INCORE);
+		goto out_error;
+	}
 
 	/*
 	 * If quotas is completely disabled, close shop.
@@ -361,6 +369,7 @@ xfs_qm_scall_quotaoff(
 		XFS_PURGE_INODE(XFS_QI_GQIP(mp));
 		XFS_QI_GQIP(mp) = NULL;
 	}
+out_error:
 	mutex_unlock(&(XFS_QI_QOFFLOCK(mp)));
 
 	return (error);
@@ -371,12 +380,11 @@ xfs_qm_scall_trunc_qfiles(
 	xfs_mount_t	*mp,
 	uint		flags)
 {
-	int		error;
+	int		error = 0, error2 = 0;
 	xfs_inode_t	*qip;
 
 	if (!capable(CAP_SYS_ADMIN))
 		return XFS_ERROR(EPERM);
-	error = 0;
 	if (!xfs_sb_version_hasquota(&mp->m_sb) || flags == 0) {
 		qdprintk("qtrunc flags=%x m_qflags=%x\n", flags, mp->m_qflags);
 		return XFS_ERROR(EINVAL);
@@ -384,22 +392,22 @@ xfs_qm_scall_trunc_qfiles(
 
 	if ((flags & XFS_DQ_USER) && mp->m_sb.sb_uquotino != NULLFSINO) {
 		error = xfs_iget(mp, NULL, mp->m_sb.sb_uquotino, 0, 0, &qip, 0);
-		if (! error) {
-			(void) xfs_truncate_file(mp, qip);
-			VN_RELE(XFS_ITOV(qip));
+		if (!error) {
+			error = xfs_truncate_file(mp, qip);
+			IRELE(qip);
 		}
 	}
 
 	if ((flags & (XFS_DQ_GROUP|XFS_DQ_PROJ)) &&
 	    mp->m_sb.sb_gquotino != NULLFSINO) {
-		error = xfs_iget(mp, NULL, mp->m_sb.sb_gquotino, 0, 0, &qip, 0);
-		if (! error) {
-			(void) xfs_truncate_file(mp, qip);
-			VN_RELE(XFS_ITOV(qip));
+		error2 = xfs_iget(mp, NULL, mp->m_sb.sb_gquotino, 0, 0, &qip, 0);
+		if (!error2) {
+			error2 = xfs_truncate_file(mp, qip);
+			IRELE(qip);
 		}
 	}
 
-	return (error);
+	return error ? error : error2;
 }
 
 
@@ -552,13 +560,13 @@ xfs_qm_scall_getqstat(
 		out->qs_uquota.qfs_nblks = uip->i_d.di_nblocks;
 		out->qs_uquota.qfs_nextents = uip->i_d.di_nextents;
 		if (tempuqip)
-			VN_RELE(XFS_ITOV(uip));
+			IRELE(uip);
 	}
 	if (gip) {
 		out->qs_gquota.qfs_nblks = gip->i_d.di_nblocks;
 		out->qs_gquota.qfs_nextents = gip->i_d.di_nextents;
 		if (tempgqip)
-			VN_RELE(XFS_ITOV(gip));
+			IRELE(gip);
 	}
 	if (mp->m_quotainfo) {
 		out->qs_incoredqs = XFS_QI_MPLNDQUOTS(mp);
@@ -726,12 +734,12 @@ xfs_qm_scall_setqlim(
 	xfs_trans_log_dquot(tp, dqp);
 
 	xfs_dqtrace_entry(dqp, "Q_SETQLIM: COMMIT");
-	xfs_trans_commit(tp, 0);
+	error = xfs_trans_commit(tp, 0);
 	xfs_qm_dqprint(dqp);
 	xfs_qm_dqrele(dqp);
 	mutex_unlock(&(XFS_QI_QOFFLOCK(mp)));
 
-	return (0);
+	return error;
 }
 
 STATIC int
@@ -1095,7 +1103,7 @@ again:
 		 * inactive code in hell.
 		 */
 		if (vnode_refd)
-			VN_RELE(vp);
+			IRELE(ip);
 		XFS_MOUNT_ILOCK(mp);
 		/*
 		 * If an inode was inserted or removed, we gotta