Re: [PATCH] ext4: FLEX_BG Kernel support v2.

Eric Sandeen
2007-09-21T21:05:34Z

Jose R. Santos wrote:
> On Fri, 21 Sep 2007 13:29:27 -0700
> Badari Pulavarty <pbadari@gmail.com> wrote:
>
>> On Fri, 2007-09-21 at 09:06 -0500, Jose R. Santos wrote:
>>> From: Jose R. Santos <jrs@us.ibm.com>
>>>
>>> ext4: FLEX_BG Kernel support v2.
>>>
>>> @@ -702,13 +702,15 @@ static inline int ext4_valid_inum(struct super_block *sb, unsigned long ino)
>>> #define EXT4_FEATURE_INCOMPAT_META_BG 0x0010
>>> #define EXT4_FEATURE_INCOMPAT_EXTENTS 0x0040 /* extents support */
>>> #define EXT4_FEATURE_INCOMPAT_64BIT 0x0080
>>> +#define EXT4_FEATURE_INCOMPAT_FLEX_BG 0x0200
>> Any reason why 0x100 is skipped ?
>>
>> Thanks,
>> Badari
>>
>
> Because 0x0100 is reserved for EXT4_FEATURE_INCOMPAT_MMP in e2fsprogs.

and we know that how? :) I'd at least put a comment into the kernel
code so it doesn't get taken, later.

-Eric