[PATCH 46/55] xfs: Add xfs_log_rlimit.c

[Mark Tinguely]

On 10/06/13 20:46, Eric Sandeen wrote:
> On 10/6/13 12:56 PM, Eric Sandeen wrote:
>> On 9/4/13 5:05 PM, Dave Chinner wrote:
>>>> From: Jie Liu<jeff.liu at oracle.com>
>>>>
>>>> Add source files for xfs_log_rlimit.c The new file is used for log
>>>> size calculations and validation shared with userspace.
>>>>
>>>> [dchinner: xfs_log_calc_max_attrsetm_res() does not modify the
>>>> tr_attrsetm reservation, just calculates the maximum. ]
>>>>
>>>> [dchinner: rework loop in xfs_log_get_max_trans_res() ]
>>>>
>>>> [dchinner: implement xfs_log_calc_unit_res() in util.c to give mkfs
>>>> a worse case calculation of the log size needed. ]
>> 2 things:
>>
>> Ben, seems like your workflow lost the:
>>
>> From: Jie Liu<jeff.liu at oracle.com>
>>
>> at the top - in git, the author is listed as Dave in git.
>>
>> (Although those [parentheticals] were pretty fundamental changes,
>> something I just gave Rich a hard time for)  ;)
>>
>> Also, this now breaks xfstest xfs/216 as a result of the mkfs changes.
>> What are the plans for that?
>
> Sorry, to be clear, it breaks that test (and others, pretty sure)
> because the log sizes for small filesystems are significantly bigger:
>
> -fssize=1g log      =internal log           bsize=4096   blocks=2560, version=2
> +fssize=1g log      =internal log           bsize=4096   blocks=12800, version=2
>
> -fssize=2g log      =internal log           bsize=4096   blocks=2560, version=2
> +fssize=2g log      =internal log           bsize=4096   blocks=12800, version=2
>
> -fssize=4g log      =internal log           bsize=4096   blocks=2560, version=2
> +fssize=4g log      =internal log           bsize=4096   blocks=12800, version=2
>
> -fssize=8g log      =internal log           bsize=4096   blocks=2560, version=2
> +fssize=8g log      =internal log           bsize=4096   blocks=12800, version=2
>
> -fssize=16g log      =internal log           bsize=4096   blocks=2560, version=2
> +fssize=16g log      =internal log           bsize=4096   blocks=12800, version=2
>
> -fssize=32g log      =internal log           bsize=4096   blocks=4096, version=2
> +fssize=32g log      =internal log           bsize=4096   blocks=12800, version=2
>
> -fssize=64g log      =internal log           bsize=4096   blocks=8192, version=2
> +fssize=64g log      =internal log           bsize=4096   blocks=12800, version=2
>
>   fssize=128g log      =internal log           bsize=4096   blocks=16384, version=2
>   fssize=256g log      =internal log           bsize=4096   blocks=32768, version=2
>
> -Eric


Separate outputs for different versions of the OS version like we do for 
16/32 bit tests' output?

--Mark.