6 files changed, 186 insertions, 21 deletions

diff --git a/fs/ext2/super.c b/fs/ext2/super.c
index dcfe331dc4c4..3c0c7c6a5b44 100644
--- a/fs/ext2/super.c
+++ b/fs/ext2/super.c
@@ -19,6 +19,7 @@
 #include <linux/config.h>
 #include <linux/module.h>
 #include <linux/string.h>
+#include <linux/fs.h>
 #include <linux/slab.h>
 #include <linux/init.h>
 #include <linux/blkdev.h>
@@ -27,6 +28,8 @@
 #include <linux/buffer_head.h>
 #include <linux/smp_lock.h>
 #include <linux/vfs.h>
+#include <linux/seq_file.h>
+#include <linux/mount.h>
 #include <asm/uaccess.h>
 #include "ext2.h"
 #include "xattr.h"
@@ -201,6 +204,26 @@ static void ext2_clear_inode(struct inode *inode)
 #endif
 }
 
+static int ext2_show_options(struct seq_file *seq, struct vfsmount *vfs)
+{
+        struct ext2_sb_info *sbi = EXT2_SB(vfs->mnt_sb);
+
+        if (sbi->s_mount_opt & EXT2_MOUNT_GRPID)
+                seq_puts(seq, ",grpid");
+        else
+                seq_puts(seq, ",nogrpid");
+
+#if defined(CONFIG_QUOTA)
+        if (sbi->s_mount_opt & EXT2_MOUNT_USRQUOTA)
+                seq_puts(seq, ",usrquota");
+
+        if (sbi->s_mount_opt & EXT2_MOUNT_GRPQUOTA)
+                seq_puts(seq, ",grpquota");
+#endif
+
+        return 0;
+}
+
 #ifdef CONFIG_QUOTA
 static ssize_t ext2_quota_read(struct super_block *sb, int type, char *data, size_t len, loff_t off);
 static ssize_t ext2_quota_write(struct super_block *sb, int type, const char *data, size_t len, loff_t off);
@@ -218,6 +241,7 @@ static struct super_operations ext2_sops = {
         .statfs         = ext2_statfs,
         .remount_fs     = ext2_remount,
         .clear_inode    = ext2_clear_inode,
+        .show_options   = ext2_show_options,
 #ifdef CONFIG_QUOTA
         .quota_read     = ext2_quota_read,
         .quota_write    = ext2_quota_write,
@@ -256,10 +280,11 @@ static unsigned long get_sb_block(void **data)
 
 enum {
         Opt_bsd_df, Opt_minix_df, Opt_grpid, Opt_nogrpid,
-        Opt_resgid, Opt_resuid, Opt_sb, Opt_err_cont, Opt_err_panic, Opt_err_ro,
-        Opt_nouid32, Opt_check, Opt_nocheck, Opt_debug, Opt_oldalloc, Opt_orlov, Opt_nobh,
-        Opt_user_xattr, Opt_nouser_xattr, Opt_acl, Opt_noacl, Opt_xip,
-        Opt_ignore, Opt_err,
+        Opt_resgid, Opt_resuid, Opt_sb, Opt_err_cont, Opt_err_panic,
+        Opt_err_ro, Opt_nouid32, Opt_check, Opt_nocheck, Opt_debug,
+        Opt_oldalloc, Opt_orlov, Opt_nobh, Opt_user_xattr, Opt_nouser_xattr,
+        Opt_acl, Opt_noacl, Opt_xip, Opt_ignore, Opt_err, Opt_quota,
+        Opt_usrquota, Opt_grpquota
 };
 
 static match_table_t tokens = {
@@ -288,10 +313,10 @@ static match_table_t tokens = {
         {Opt_acl, "acl"},
         {Opt_noacl, "noacl"},
         {Opt_xip, "xip"},
-        {Opt_ignore, "grpquota"},
+        {Opt_grpquota, "grpquota"},
         {Opt_ignore, "noquota"},
-        {Opt_ignore, "quota"},
-        {Opt_ignore, "usrquota"},
+        {Opt_quota, "quota"},
+        {Opt_usrquota, "usrquota"},
         {Opt_err, NULL}
 };
 
@@ -406,6 +431,26 @@ static int parse_options (char * options,
                         printk("EXT2 xip option not supported\n");
 #endif
                         break;
+
+#if defined(CONFIG_QUOTA)
+                case Opt_quota:
+                case Opt_usrquota:
+                        set_opt(sbi->s_mount_opt, USRQUOTA);
+                        break;
+
+                case Opt_grpquota:
+                        set_opt(sbi->s_mount_opt, GRPQUOTA);
+                        break;
+#else
+                case Opt_quota:
+                case Opt_usrquota:
+                case Opt_grpquota:
+                        printk(KERN_ERR
+                                "EXT2-fs: quota operations not supported.\n");
+
+                        break;
+#endif
+
                 case Opt_ignore:
                         break;
                 default:
diff --git a/fs/ext3/super.c b/fs/ext3/super.c
index 3c3c6e399fb3..a93c3609025d 100644
--- a/fs/ext3/super.c
+++ b/fs/ext3/super.c
@@ -35,6 +35,7 @@
 #include <linux/mount.h>
 #include <linux/namei.h>
 #include <linux/quotaops.h>
+#include <linux/seq_file.h>
 #include <asm/uaccess.h>
 #include "xattr.h"
 #include "acl.h"
@@ -509,8 +510,41 @@ static void ext3_clear_inode(struct inode *inode)
         kfree(rsv);
 }
 
-#ifdef CONFIG_QUOTA
+static int ext3_show_options(struct seq_file *seq, struct vfsmount *vfs)
+{
+        struct ext3_sb_info *sbi = EXT3_SB(vfs->mnt_sb);
+
+        if (sbi->s_mount_opt & EXT3_MOUNT_JOURNAL_DATA)
+                seq_puts(seq, ",data=journal");
+
+        if (sbi->s_mount_opt & EXT3_MOUNT_ORDERED_DATA)
+                seq_puts(seq, ",data=ordered");
+
+        if (sbi->s_mount_opt & EXT3_MOUNT_WRITEBACK_DATA)
+                seq_puts(seq, ",data=writeback");
+
+#if defined(CONFIG_QUOTA)
+        if (sbi->s_jquota_fmt)
+                seq_printf(seq, ",jqfmt=%s",
+                (sbi->s_jquota_fmt == QFMT_VFS_OLD) ? "vfsold": "vfsv0");
+
+        if (sbi->s_qf_names[USRQUOTA])
+                seq_printf(seq, ",usrjquota=%s", sbi->s_qf_names[USRQUOTA]);
+
+        if (sbi->s_qf_names[GRPQUOTA])
+                seq_printf(seq, ",grpjquota=%s", sbi->s_qf_names[GRPQUOTA]);
 
+        if (sbi->s_mount_opt & EXT3_MOUNT_USRQUOTA)
+                seq_puts(seq, ",usrquota");
+
+        if (sbi->s_mount_opt & EXT3_MOUNT_GRPQUOTA)
+                seq_puts(seq, ",grpquota");
+#endif
+
+        return 0;
+}
+
+#ifdef CONFIG_QUOTA
 #define QTYPE2NAME(t) ((t)==USRQUOTA?"user":"group")
 #define QTYPE2MOPT(on, t) ((t)==USRQUOTA?((on)##USRJQUOTA):((on)##GRPJQUOTA))
 
@@ -569,6 +603,7 @@ static struct super_operations ext3_sops = {
         .statfs         = ext3_statfs,
         .remount_fs     = ext3_remount,
         .clear_inode    = ext3_clear_inode,
+        .show_options   = ext3_show_options,
 #ifdef CONFIG_QUOTA
         .quota_read     = ext3_quota_read,
         .quota_write    = ext3_quota_write,
@@ -590,7 +625,8 @@ enum {
         Opt_abort, Opt_data_journal, Opt_data_ordered, Opt_data_writeback,
         Opt_usrjquota, Opt_grpjquota, Opt_offusrjquota, Opt_offgrpjquota,
         Opt_jqfmt_vfsold, Opt_jqfmt_vfsv0, Opt_quota, Opt_noquota,
-        Opt_ignore, Opt_barrier, Opt_err, Opt_resize,
+        Opt_ignore, Opt_barrier, Opt_err, Opt_resize, Opt_usrquota,
+        Opt_grpquota
 };
 
 static match_table_t tokens = {
@@ -634,10 +670,10 @@ static match_table_t tokens = {
         {Opt_grpjquota, "grpjquota=%s"},
         {Opt_jqfmt_vfsold, "jqfmt=vfsold"},
         {Opt_jqfmt_vfsv0, "jqfmt=vfsv0"},
-        {Opt_quota, "grpquota"},
+        {Opt_grpquota, "grpquota"},
         {Opt_noquota, "noquota"},
         {Opt_quota, "quota"},
-        {Opt_quota, "usrquota"},
+        {Opt_usrquota, "usrquota"},
         {Opt_barrier, "barrier=%u"},
         {Opt_err, NULL},
         {Opt_resize, "resize"},
@@ -903,7 +939,13 @@ clear_qf_name:
                         sbi->s_jquota_fmt = QFMT_VFS_V0;
                         break;
                 case Opt_quota:
+                case Opt_usrquota:
                         set_opt(sbi->s_mount_opt, QUOTA);
+                        set_opt(sbi->s_mount_opt, USRQUOTA);
+                        break;
+                case Opt_grpquota:
+                        set_opt(sbi->s_mount_opt, QUOTA);
+                        set_opt(sbi->s_mount_opt, GRPQUOTA);
                         break;
                 case Opt_noquota:
                         if (sb_any_quota_enabled(sb)) {
@@ -912,8 +954,13 @@ clear_qf_name:
                                 return 0;
                         }
                         clear_opt(sbi->s_mount_opt, QUOTA);
+                        clear_opt(sbi->s_mount_opt, USRQUOTA);
+                        clear_opt(sbi->s_mount_opt, GRPQUOTA);
                         break;
 #else
+                case Opt_quota:
+                case Opt_usrquota:
+                case Opt_grpquota:
                 case Opt_usrjquota:
                 case Opt_grpjquota:
                 case Opt_offusrjquota:
@@ -924,7 +971,6 @@ clear_qf_name:
                                 "EXT3-fs: journalled quota options not "
                                 "supported.\n");
                         break;
-                case Opt_quota:
                 case Opt_noquota:
                         break;
 #endif
@@ -962,14 +1008,38 @@ clear_qf_name:
                 }
         }
 #ifdef CONFIG_QUOTA
-        if (!sbi->s_jquota_fmt && (sbi->s_qf_names[USRQUOTA] ||
-            sbi->s_qf_names[GRPQUOTA])) {
-                printk(KERN_ERR
-                        "EXT3-fs: journalled quota format not specified.\n");
-                return 0;
+        if (sbi->s_qf_names[USRQUOTA] || sbi->s_qf_names[GRPQUOTA]) {
+                if ((sbi->s_mount_opt & EXT3_MOUNT_USRQUOTA) &&
+                     sbi->s_qf_names[USRQUOTA])
+                        clear_opt(sbi->s_mount_opt, USRQUOTA);
+
+                if ((sbi->s_mount_opt & EXT3_MOUNT_GRPQUOTA) &&
+                     sbi->s_qf_names[GRPQUOTA])
+                        clear_opt(sbi->s_mount_opt, GRPQUOTA);
+
+                if ((sbi->s_qf_names[USRQUOTA] &&
+                                (sbi->s_mount_opt & EXT3_MOUNT_GRPQUOTA)) ||
+                    (sbi->s_qf_names[GRPQUOTA] &&
+                                (sbi->s_mount_opt & EXT3_MOUNT_USRQUOTA))) {
+                        printk(KERN_ERR "EXT3-fs: old and new quota "
+                                        "format mixing.\n");
+                        return 0;
+                }
+
+                if (!sbi->s_jquota_fmt) {
+                        printk(KERN_ERR "EXT3-fs: journalled quota format "
+                                        "not specified.\n");
+                        return 0;
+                }
+        } else {
+                if (sbi->s_jquota_fmt) {
+                        printk(KERN_ERR "EXT3-fs: journalled quota format "
+                                        "specified with no journalling "
+                                        "enabled.\n");
+                        return 0;
+                }
         }
 #endif
-
         return 1;
 }
 
diff --git a/fs/jfs/jfs_filsys.h b/fs/jfs/jfs_filsys.h
index 86ccac80f0ab..72a5588faeca 100644
--- a/fs/jfs/jfs_filsys.h
+++ b/fs/jfs/jfs_filsys.h
@@ -37,6 +37,9 @@
 #define JFS_ERR_CONTINUE   0x00000004   /* continue */
 #define JFS_ERR_PANIC      0x00000008   /* panic */
 
+#define JFS_USRQUOTA    0x00000010
+#define JFS_GRPQUOTA    0x00000020
+
 /* platform option (conditional compilation) */
 #define JFS_AIX         0x80000000      /* AIX support */
 /*      POSIX name/directory  support */
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 = {
diff --git a/include/linux/ext2_fs.h b/include/linux/ext2_fs.h
index a657130ba03a..f7bd1c7ebefb 100644
--- a/include/linux/ext2_fs.h
+++ b/include/linux/ext2_fs.h
@@ -313,6 +313,9 @@ struct ext2_inode {
 #define EXT2_MOUNT_XATTR_USER           0x004000  /* Extended user attributes */
 #define EXT2_MOUNT_POSIX_ACL            0x008000  /* POSIX Access Control Lists */
 #define EXT2_MOUNT_XIP                  0x010000  /* Execute in place */
+#define EXT2_MOUNT_USRQUOTA             0x020000 /* user quota */
+#define EXT2_MOUNT_GRPQUOTA             0x040000 /* group quota */
+
 
 #define clear_opt(o, opt)               o &= ~EXT2_MOUNT_##opt
 #define set_opt(o, opt)                 o |= EXT2_MOUNT_##opt
diff --git a/include/linux/ext3_fs.h b/include/linux/ext3_fs.h
index c16662836c58..c0272d73ab20 100644
--- a/include/linux/ext3_fs.h
+++ b/include/linux/ext3_fs.h
@@ -373,6 +373,8 @@ struct ext3_inode {
 #define EXT3_MOUNT_BARRIER              0x20000 /* Use block barriers */
 #define EXT3_MOUNT_NOBH                 0x40000 /* No bufferheads */
 #define EXT3_MOUNT_QUOTA                0x80000 /* Some quota option set */
+#define EXT3_MOUNT_USRQUOTA             0x100000 /* "old" user quota */
+#define EXT3_MOUNT_GRPQUOTA             0x200000 /* "old" group quota */
 
 /* Compatibility, for having both ext2_fs.h and ext3_fs.h included at once */
 #ifndef _LINUX_EXT2_FS_H