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Btrfs: fail mount on bad mount options

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We shouldn't silently ignore unrecognized options.

Signed-off-by: Sage Weil <sage@newdream.net>
Signed-off-by: Chris Mason <chris.mason@oracle.com>
This commit is contained in:
Sage Weil 2009-11-07 06:19:16 +00:00 committed by Chris Mason
parent 06b2331f83
commit a7a3f7cadd
1 changed files with 8 additions and 1 deletions
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9
fs/btrfs/super.c
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@ -128,6 +128,7 @@ int btrfs_parse_options(struct btrfs_root *root, char *options)
substring_t args[MAX_OPT_ARGS];
char *p, *num;
int intarg;
int ret = 0;
if (!options)
return 0;
@ -262,12 +263,18 @@ int btrfs_parse_options(struct btrfs_root *root, char *options)
case Opt_discard:
btrfs_set_opt(info->mount_opt, DISCARD);
break;
case Opt_err:
printk(KERN_INFO "btrfs: unrecognized mount option "
"'%s'\n", p);
ret = -EINVAL;
goto out;
default:
break;
}
}
out:
kfree(options);
return 0;
return ret;
}
/*