ext4: Rename ext4dev to ext4

[linux-2.6-omap-h63xx.git] / fs / ext4 / super.c

diff --git a/fs/ext4/super.c b/fs/ext4/super.c
index 7d865608e8175f2d9ed323517306c36e42b88ba4..0e661c569660b4cb331a8c11c2cd45852ddb78bd 100644 (file)
--- a/fs/ext4/super.c
+++ b/fs/ext4/super.c
@@ -569,7 +569,7 @@ static struct inode *ext4_alloc_inode(struct super_block *sb)
        ei = kmem_cache_alloc(ext4_inode_cachep, GFP_NOFS);
        if (!ei)
                return NULL;
-#ifdef CONFIG_EXT4DEV_FS_POSIX_ACL
+#ifdef CONFIG_EXT4_FS_POSIX_ACL
        ei->i_acl = EXT4_ACL_NOT_CACHED;
        ei->i_default_acl = EXT4_ACL_NOT_CACHED;
 #endif
@@ -605,7 +605,7 @@ static void init_once(void *foo)
        struct ext4_inode_info *ei = (struct ext4_inode_info *) foo;
 
        INIT_LIST_HEAD(&ei->i_orphan);
-#ifdef CONFIG_EXT4DEV_FS_XATTR
+#ifdef CONFIG_EXT4_FS_XATTR
        init_rwsem(&ei->xattr_sem);
 #endif
        init_rwsem(&ei->i_data_sem);
@@ -631,7 +631,7 @@ static void destroy_inodecache(void)
 
 static void ext4_clear_inode(struct inode *inode)
 {
-#ifdef CONFIG_EXT4DEV_FS_POSIX_ACL
+#ifdef CONFIG_EXT4_FS_POSIX_ACL
        if (EXT4_I(inode)->i_acl &&
                        EXT4_I(inode)->i_acl != EXT4_ACL_NOT_CACHED) {
                posix_acl_release(EXT4_I(inode)->i_acl);
@@ -720,7 +720,7 @@ static int ext4_show_options(struct seq_file *seq, struct vfsmount *vfs)
                seq_puts(seq, ",debug");
        if (test_opt(sb, OLDALLOC))
                seq_puts(seq, ",oldalloc");
-#ifdef CONFIG_EXT4DEV_FS_XATTR
+#ifdef CONFIG_EXT4_FS_XATTR
        if (test_opt(sb, XATTR_USER) &&
                !(def_mount_opts & EXT4_DEFM_XATTR_USER))
                seq_puts(seq, ",user_xattr");
@@ -729,7 +729,7 @@ static int ext4_show_options(struct seq_file *seq, struct vfsmount *vfs)
                seq_puts(seq, ",nouser_xattr");
        }
 #endif
-#ifdef CONFIG_EXT4DEV_FS_POSIX_ACL
+#ifdef CONFIG_EXT4_FS_POSIX_ACL
        if (test_opt(sb, POSIX_ACL) && !(def_mount_opts & EXT4_DEFM_ACL))
                seq_puts(seq, ",acl");
        if (!test_opt(sb, POSIX_ACL) && (def_mount_opts & EXT4_DEFM_ACL))
@@ -1078,7 +1078,7 @@ static int parse_options(char *options, struct super_block *sb,
                case Opt_orlov:
                        clear_opt(sbi->s_mount_opt, OLDALLOC);
                        break;
-#ifdef CONFIG_EXT4DEV_FS_XATTR
+#ifdef CONFIG_EXT4_FS_XATTR
                case Opt_user_xattr:
                        set_opt(sbi->s_mount_opt, XATTR_USER);
                        break;
@@ -1092,7 +1092,7 @@ static int parse_options(char *options, struct super_block *sb,
                               "not supported\n");
                        break;
 #endif
-#ifdef CONFIG_EXT4DEV_FS_POSIX_ACL
+#ifdef CONFIG_EXT4_FS_POSIX_ACL
                case Opt_acl:
                        set_opt(sbi->s_mount_opt, POSIX_ACL);
                        break;
@@ -1987,11 +1987,11 @@ static int ext4_fill_super(struct super_block *sb, void *data, int silent)
                set_opt(sbi->s_mount_opt, GRPID);
        if (def_mount_opts & EXT4_DEFM_UID16)
                set_opt(sbi->s_mount_opt, NO_UID32);
-#ifdef CONFIG_EXT4DEV_FS_XATTR
+#ifdef CONFIG_EXT4_FS_XATTR
        if (def_mount_opts & EXT4_DEFM_XATTR_USER)
                set_opt(sbi->s_mount_opt, XATTR_USER);
 #endif
-#ifdef CONFIG_EXT4DEV_FS_POSIX_ACL
+#ifdef CONFIG_EXT4_FS_POSIX_ACL
        if (def_mount_opts & EXT4_DEFM_ACL)
                set_opt(sbi->s_mount_opt, POSIX_ACL);
 #endif
@@ -2049,16 +2049,6 @@ static int ext4_fill_super(struct super_block *sb, void *data, int silent)
                       "EXT4-fs warning: feature flags set on rev 0 fs, "
                       "running e2fsck is recommended\n");
 
-       /*
-        * Since ext4 is still considered development code, we require
-        * that the TEST_FILESYS flag in s->flags be set.
-        */
-       if (!(le32_to_cpu(es->s_flags) & EXT2_FLAGS_TEST_FILESYS)) {
-               printk(KERN_WARNING "EXT4-fs: %s: not marked "
-                      "OK to use with test code.\n", sb->s_id);
-               goto failed_mount;
-       }
-
        /*
         * Check feature flags regardless of the revision level, since we
         * previously didn't change the revision level when setting the flags,
@@ -3580,13 +3570,34 @@ const struct file_operations ext4_ui_proc_fops = {
 };
 #endif
 
+static struct file_system_type ext4_fs_type = {
+       .owner          = THIS_MODULE,
+       .name           = "ext4",
+       .get_sb         = ext4_get_sb,
+       .kill_sb        = kill_block_super,
+       .fs_flags       = FS_REQUIRES_DEV,
+};
+
+#ifdef CONFIG_EXT4DEV_COMPAT
+static int ext4dev_get_sb(struct file_system_type *fs_type,
+       int flags, const char *dev_name, void *data, struct vfsmount *mnt)
+{
+       printk(KERN_WARNING "EXT4-fs: Update your userspace programs "
+              "to mount using ext4\n");
+       printk(KERN_WARNING "EXT4-fs: ext4dev backwards compatibility "
+              "will go away by 2.6.31\n");
+       return get_sb_bdev(fs_type, flags, dev_name, data, ext4_fill_super, mnt);
+}
+
 static struct file_system_type ext4dev_fs_type = {
        .owner          = THIS_MODULE,
        .name           = "ext4dev",
-       .get_sb         = ext4_get_sb,
+       .get_sb         = ext4dev_get_sb,
        .kill_sb        = kill_block_super,
        .fs_flags       = FS_REQUIRES_DEV,
 };
+MODULE_ALIAS("ext4dev");
+#endif
 
 static int __init init_ext4_fs(void)
 {
@@ -3603,9 +3614,16 @@ static int __init init_ext4_fs(void)
        err = init_inodecache();
        if (err)
                goto out1;
-       err = register_filesystem(&ext4dev_fs_type);
+       err = register_filesystem(&ext4_fs_type);
        if (err)
                goto out;
+#ifdef CONFIG_EXT4DEV_COMPAT
+       err = register_filesystem(&ext4dev_fs_type);
+       if (err) {
+               unregister_filesystem(&ext4_fs_type);
+               goto out;
+       }
+#endif
        return 0;
 out:
        destroy_inodecache();
@@ -3618,7 +3636,10 @@ out2:
 
 static void __exit exit_ext4_fs(void)
 {
+       unregister_filesystem(&ext4_fs_type);
+#ifdef CONFIG_EXT4DEV_COMPAT
        unregister_filesystem(&ext4dev_fs_type);
+#endif
        destroy_inodecache();
        exit_ext4_xattr();
        exit_ext4_mballoc();