ext3: improve some code in rb tree part of dir.c

[linux-2.6] / fs / ext3 / super.c

diff --git a/fs/ext3/super.c b/fs/ext3/super.c
index 0a1bf82845c31ec71fb1d6a4267c770cfa3a0e90..615788c6843a5f8cb7c327ece40ea10f53bf5bb8 100644 (file)
--- a/fs/ext3/super.c
+++ b/fs/ext3/super.c
@@ -842,7 +842,7 @@ static int parse_options (char *options, struct super_block *sb,
        int data_opt = 0;
        int option;
 #ifdef CONFIG_QUOTA
-       int qtype;
+       int qtype, qfmt;
        char *qname;
 #endif
 
@@ -1018,7 +1018,9 @@ static int parse_options (char *options, struct super_block *sb,
                case Opt_grpjquota:
                        qtype = GRPQUOTA;
 set_qf_name:
-                       if (sb_any_quota_enabled(sb)) {
+                       if ((sb_any_quota_enabled(sb) ||
+                            sb_any_quota_suspended(sb)) &&
+                           !sbi->s_qf_names[qtype]) {
                                printk(KERN_ERR
                                        "EXT3-fs: Cannot change journaled "
                                        "quota options when quota turned on.\n");
@@ -1056,7 +1058,9 @@ set_qf_name:
                case Opt_offgrpjquota:
                        qtype = GRPQUOTA;
 clear_qf_name:
-                       if (sb_any_quota_enabled(sb)) {
+                       if ((sb_any_quota_enabled(sb) ||
+                            sb_any_quota_suspended(sb)) &&
+                           sbi->s_qf_names[qtype]) {
                                printk(KERN_ERR "EXT3-fs: Cannot change "
                                        "journaled quota options when "
                                        "quota turned on.\n");
@@ -1069,10 +1073,20 @@ clear_qf_name:
                        sbi->s_qf_names[qtype] = NULL;
                        break;
                case Opt_jqfmt_vfsold:
-                       sbi->s_jquota_fmt = QFMT_VFS_OLD;
-                       break;
+                       qfmt = QFMT_VFS_OLD;
+                       goto set_qf_format;
                case Opt_jqfmt_vfsv0:
-                       sbi->s_jquota_fmt = QFMT_VFS_V0;
+                       qfmt = QFMT_VFS_V0;
+set_qf_format:
+                       if ((sb_any_quota_enabled(sb) ||
+                            sb_any_quota_suspended(sb)) &&
+                           sbi->s_jquota_fmt != qfmt) {
+                               printk(KERN_ERR "EXT3-fs: Cannot change "
+                                       "journaled quota options when "
+                                       "quota turned on.\n");
+                               return 0;
+                       }
+                       sbi->s_jquota_fmt = qfmt;
                        break;
                case Opt_quota:
                case Opt_usrquota:
@@ -1084,7 +1098,8 @@ clear_qf_name:
                        set_opt(sbi->s_mount_opt, GRPQUOTA);
                        break;
                case Opt_noquota:
-                       if (sb_any_quota_enabled(sb)) {
+                       if (sb_any_quota_enabled(sb) ||
+                           sb_any_quota_suspended(sb)) {
                                printk(KERN_ERR "EXT3-fs: Cannot change quota "
                                        "options when quota turned on.\n");
                                return 0;