Btrfs: integrate integrity check module into btrfs

[platform/adaptation/renesas_rcar/renesas_kernel.git] / fs / btrfs / super.c

diff --git a/fs/btrfs/super.c b/fs/btrfs/super.c
index 34a8b61..22a2015 100644 (file)
--- a/fs/btrfs/super.c
+++ b/fs/btrfs/super.c
@@ -165,7 +165,10 @@ enum {
        Opt_notreelog, Opt_ratio, Opt_flushoncommit, Opt_discard,
        Opt_space_cache, Opt_clear_cache, Opt_user_subvol_rm_allowed,
        Opt_enospc_debug, Opt_subvolrootid, Opt_defrag,
-       Opt_inode_cache, Opt_no_space_cache, Opt_recovery, Opt_err,
+       Opt_inode_cache, Opt_no_space_cache, Opt_recovery,
+       Opt_check_integrity, Opt_check_integrity_including_extent_data,
+       Opt_check_integrity_print_mask,
+       Opt_err,
 };
 
 static match_table_t tokens = {
@@ -200,6 +203,9 @@ static match_table_t tokens = {
        {Opt_inode_cache, "inode_cache"},
        {Opt_no_space_cache, "nospace_cache"},
        {Opt_recovery, "recovery"},
+       {Opt_check_integrity, "check_int"},
+       {Opt_check_integrity_including_extent_data, "check_int_data"},
+       {Opt_check_integrity_print_mask, "check_int_print_mask=%d"},
        {Opt_err, NULL},
 };
 
@@ -398,6 +404,37 @@ int btrfs_parse_options(struct btrfs_root *root, char *options)
                        printk(KERN_INFO "btrfs: enabling auto recovery");
                        btrfs_set_opt(info->mount_opt, RECOVERY);
                        break;
+#ifdef CONFIG_BTRFS_FS_CHECK_INTEGRITY
+               case Opt_check_integrity_including_extent_data:
+                       printk(KERN_INFO "btrfs: enabling check integrity"
+                              " including extent data\n");
+                       btrfs_set_opt(info->mount_opt,
+                                     CHECK_INTEGRITY_INCLUDING_EXTENT_DATA);
+                       btrfs_set_opt(info->mount_opt, CHECK_INTEGRITY);
+                       break;
+               case Opt_check_integrity:
+                       printk(KERN_INFO "btrfs: enabling check integrity\n");
+                       btrfs_set_opt(info->mount_opt, CHECK_INTEGRITY);
+                       break;
+               case Opt_check_integrity_print_mask:
+                       intarg = 0;
+                       match_int(&args[0], &intarg);
+                       if (intarg) {
+                               info->check_integrity_print_mask = intarg;
+                               printk(KERN_INFO "btrfs:"
+                                      " check_integrity_print_mask 0x%x\n",
+                                      info->check_integrity_print_mask);
+                       }
+                       break;
+#else
+               case Opt_check_integrity_including_extent_data:
+               case Opt_check_integrity:
+               case Opt_check_integrity_print_mask:
+                       printk(KERN_ERR "btrfs: support for check_integrity*"
+                              " not compiled in!\n");
+                       ret = -EINVAL;
+                       goto out;
+#endif
                case Opt_err:
                        printk(KERN_INFO "btrfs: unrecognized mount option "
                               "'%s'\n", p);