1 files changed, 45 insertions, 3 deletions

diff --git a/fs/jfs/super.c b/fs/jfs/super.c
index 9ff89720f93b..71bc34b96b2b 100644
--- a/fs/jfs/super.c
+++ b/fs/jfs/super.c
@@ -23,9 +23,11 @@
 #include <linux/parser.h>
 #include <linux/completion.h>
 #include <linux/vfs.h>
+#include <linux/mount.h>
 #include <linux/moduleparam.h>
 #include <linux/posix_acl.h>
 #include <asm/uaccess.h>
+#include <linux/seq_file.h>
 
 #include "jfs_incore.h"
 #include "jfs_filsys.h"
@@ -192,7 +194,8 @@ static void jfs_put_super(struct super_block *sb)
 
 enum {
         Opt_integrity, Opt_nointegrity, Opt_iocharset, Opt_resize,
-        Opt_resize_nosize, Opt_errors, Opt_ignore, Opt_err,
+        Opt_resize_nosize, Opt_errors, Opt_ignore, Opt_err, Opt_quota,
+        Opt_usrquota, Opt_grpquota
 };
 
 static match_table_t tokens = {
@@ -204,8 +207,8 @@ static match_table_t tokens = {
         {Opt_errors, "errors=%s"},
         {Opt_ignore, "noquota"},
         {Opt_ignore, "quota"},
-        {Opt_ignore, "usrquota"},
-        {Opt_ignore, "grpquota"},
+        {Opt_usrquota, "usrquota"},
+        {Opt_grpquota, "grpquota"},
         {Opt_err, NULL}
 };
 
@@ -293,6 +296,24 @@ static int parse_options(char *options, struct super_block *sb, s64 *newLVSize,
                         }
                         break;
                 }
+
+#if defined(CONFIG_QUOTA)
+                case Opt_quota:
+                case Opt_usrquota:
+                        *flag |= JFS_USRQUOTA;
+                        break;
+                case Opt_grpquota:
+                        *flag |= JFS_GRPQUOTA;
+                        break;
+#else
+                case Opt_usrquota:
+                case Opt_grpquota:
+                case Opt_quota:
+                        printk(KERN_ERR
+                               "JFS: quota operations not supported\n");
+                        break;
+#endif
+
                 default:
                         printk("jfs: Unrecognized mount option \"%s\" "
                                         " or missing value\n", p);
@@ -539,6 +560,26 @@ static int jfs_sync_fs(struct super_block *sb, int wait)
         return 0;
 }
 
+static int jfs_show_options(struct seq_file *seq, struct vfsmount *vfs)
+{
+        struct jfs_sb_info *sbi = JFS_SBI(vfs->mnt_sb);
+
+        if (sbi->flag & JFS_NOINTEGRITY)
+                seq_puts(seq, ",nointegrity");
+        else
+                seq_puts(seq, ",integrity");
+
+#if defined(CONFIG_QUOTA)
+        if (sbi->flag & JFS_USRQUOTA)
+                seq_puts(seq, ",usrquota");
+
+        if (sbi->flag & JFS_GRPQUOTA)
+                seq_puts(seq, ",grpquota");
+#endif
+
+        return 0;
+}
+
 static struct super_operations jfs_super_operations = {
         .alloc_inode    = jfs_alloc_inode,
         .destroy_inode  = jfs_destroy_inode,
@@ -552,6 +593,7 @@ static struct super_operations jfs_super_operations = {
         .unlockfs       = jfs_unlockfs,
         .statfs         = jfs_statfs,
         .remount_fs     = jfs_remount,
+        .show_options   = jfs_show_options
 };
 
 static struct export_operations jfs_export_operations = {