From 7f17e02d34e8157009d2603bfcea3bc619709eee Mon Sep 17 00:00:00 2001
From: jkar8572 <jkar8572>
Date: Wed, 5 May 2010 15:17:09 +0000
Subject: [PATCH 1/2] GFS2 implements the XFS interface for setting and reporting the quota
 information, and only allows state changes via remount. (Christoph Hellwig)

Petr Pisar: Changelog lines removed.
---
 mntopt.h     |    1 +
 quotacheck.c |    4 +++-
 quotaio.c    |    3 ++-
 quotaon.c    |    8 ++++++--
 quotasys.c   |   12 +++++++++---

diff --git a/mntopt.h b/mntopt.h
index 90673fc..5117033 100644
--- a/mntopt.h
+++ b/mntopt.h
@@ -18,6 +18,7 @@
 #define MNTTYPE_NFS4		"nfs4"	/* NFSv4 filesystem */
 #define MNTTYPE_MPFS		"mpfs"  /* EMC Celerra MPFS filesystem */
 #define MNTTYPE_OCFS2		"ocfs2"	/* Oracle Cluster filesystem */
+#define MNTTYPE_GFS2		"gfs2"	/* Red Hat Global filesystem 2 */
 
 /* mount options */
 #define MNTOPT_NOQUOTA		"noquota"	/* don't enforce quota */
diff --git a/quotacheck.c b/quotacheck.c
index 41901f1..0e9bac9 100644
--- a/quotacheck.c
+++ b/quotacheck.c
@@ -1049,7 +1049,9 @@ static void check_all(void)
 	while ((mnt = get_next_mount())) {
 		if (flags & FL_ALL && flags & FL_NOROOT && !strcmp(mnt->mnt_dir, "/"))
 			continue;
-		if (!strcmp(mnt->mnt_type, MNTTYPE_XFS) || nfs_fstype(mnt->mnt_type) ||
+		if (!strcmp(mnt->mnt_type, MNTTYPE_XFS) ||
+		    !strcmp(mnt->mnt_type, MNTTYPE_GFS2) ||
+		    nfs_fstype(mnt->mnt_type) ||
 		    meta_qf_fstype(mnt->mnt_type)) {
 			debug(FL_DEBUG | FL_VERBOSE, _("Skipping %s [%s]\n"), mnt->mnt_fsname, mnt->mnt_dir);
 			continue;
diff --git a/quotaio.c b/quotaio.c
index e857328..533b631 100644
--- a/quotaio.c
+++ b/quotaio.c
@@ -78,7 +78,8 @@ struct quota_handle *init_io(struct mntent *mnt, int type, int fmt, int flags)
 		goto out_handle;
 	}
 
-	if (!strcmp(mnt->mnt_type, MNTTYPE_XFS)) {	/* XFS filesystem? */
+	if (!strcmp(mnt->mnt_type, MNTTYPE_XFS) ||	/* XFS filesystem? */
+	    !strcmp(mnt->mnt_type, MNTTYPE_GFS2)) {	/* XFS filesystem? */
 		if (fmt != -1 && fmt != QF_XFS) {	/* User wanted some other format? */
 			errstr(_("Only XFS quota format is allowed on XFS filesystem.\n"));
 			goto out_handle;
diff --git a/quotaon.c b/quotaon.c
index 813c021..1d1187b 100644
--- a/quotaon.c
+++ b/quotaon.c
@@ -273,7 +273,10 @@ static int newstate(struct mntent *mnt, int type, char *extra)
 	if (flags & FL_ALL)
 		sflags |= STATEFLAG_ALL;
 
-	if (!strcmp(mnt->mnt_type, MNTTYPE_XFS)) {	/* XFS filesystem has special handling... */
+	if (!strcmp(mnt->mnt_type, MNTTYPE_GFS2)) {
+		errstr(_("Cannot change state of GFS2 quota.\n"));
+		return 1;
+	} else if (!strcmp(mnt->mnt_type, MNTTYPE_XFS)) {	/* XFS filesystem has special handling... */
 		if (!kern_qfmt_supp(QF_XFS)) {
 			errstr(_("Cannot change state of XFS quota. It's not compiled in kernel.\n"));
 			return 1;
@@ -329,7 +332,8 @@ static int print_state(struct mntent *mnt, int type)
 {
 	int on = 0;
 
-	if (!strcmp(mnt->mnt_type, MNTTYPE_XFS)) {
+	if (!strcmp(mnt->mnt_type, MNTTYPE_XFS) ||
+	    !strcmp(mnt->mnt_type, MNTTYPE_GFS2)) {
 		if (kern_qfmt_supp(QF_XFS))
 			on = kern_quota_on(mnt->mnt_fsname, type, QF_XFS) != -1;
 	}
diff --git a/quotasys.c b/quotasys.c
index cce5787..0cc008c 100644
--- a/quotasys.c
+++ b/quotasys.c
@@ -91,7 +91,8 @@ static int correct_fstype(char *type)
 		    !strcmp(type, MNTTYPE_NFS) ||
 		    !strcmp(type, MNTTYPE_NFS4) ||
 		    !strcmp(type, MNTTYPE_OCFS2) ||
-		    !strcmp(type, MNTTYPE_MPFS)) {
+		    !strcmp(type, MNTTYPE_MPFS) ||
+		    !strcmp(type, MNTTYPE_GFS2)) {
 			free(mtype);
 			return 1;
 		}
@@ -495,6 +496,8 @@ int hasquota(struct mntent *mnt, int type, int flags)
 	if (!correct_fstype(mnt->mnt_type) || hasmntopt(mnt, MNTOPT_NOQUOTA))
 		return 0;
 	
+	if (!strcmp(mnt->mnt_type, MNTTYPE_GFS2))
+		return 1;
 	if (!strcmp(mnt->mnt_type, MNTTYPE_XFS))
 		return hasxfsquota(mnt, type, flags);
 	if (nfs_fstype(mnt->mnt_type))	/* NFS always has quota or better there is no good way how to detect it */
@@ -652,11 +655,14 @@ add_entry:
 					goto add_entry;
 				break;
 			case QF_XFS:
-				if (!strcmp(mnt->mnt_type, MNTTYPE_XFS))
+				if (!strcmp(mnt->mnt_type, MNTTYPE_XFS) ||
+				    !strcmp(mnt->mnt_type, MNTTYPE_GFS2))
 					goto add_entry;
 				break;
 			default:
-				if (strcmp(mnt->mnt_type, MNTTYPE_XFS) && !nfs_fstype(mnt->mnt_type))
+				if (strcmp(mnt->mnt_type, MNTTYPE_XFS) &&
+				    strcmp(mnt->mnt_type, MNTTYPE_GFS2) &&
+				    !nfs_fstype(mnt->mnt_type))
 					goto add_entry;
 				break;
 			}
-- 
1.7.3.2

From f3553cfee6701f98e27a30318f8b759bcbbca370 Mon Sep 17 00:00:00 2001
From: jkar8572 <jkar8572>
Date: Fri, 7 May 2010 15:45:52 +0000
Subject: [PATCH 2/2] Previous GFS2 patch was missing a hunk to properly detect whether
 a GFS2 filesystem has quotas enabled. (Christoph Hellwig)

---
 quotasys.c |    5 ++---
 1 files changed, 2 insertions(+), 3 deletions(-)

diff --git a/quotasys.c b/quotasys.c
index 0cc008c..307a359 100644
--- a/quotasys.c
+++ b/quotasys.c
@@ -496,9 +496,8 @@ int hasquota(struct mntent *mnt, int type, int flags)
 	if (!correct_fstype(mnt->mnt_type) || hasmntopt(mnt, MNTOPT_NOQUOTA))
 		return 0;
 	
-	if (!strcmp(mnt->mnt_type, MNTTYPE_GFS2))
-		return 1;
-	if (!strcmp(mnt->mnt_type, MNTTYPE_XFS))
+	if (!strcmp(mnt->mnt_type, MNTTYPE_GFS2) ||
+	    !strcmp(mnt->mnt_type, MNTTYPE_XFS))
 		return hasxfsquota(mnt, type, flags);
 	if (nfs_fstype(mnt->mnt_type))	/* NFS always has quota or better there is no good way how to detect it */
 		return 1;
-- 
1.7.3.2