Re: [PATCH] only irq-safe atomic ops

Stephen Lord
2002-02-25T13:17:06Z

Jens Axboe wrote:

>On Mon, Feb 25 2002, Stephen Lord wrote:
>
>>Andrew Morton wrote:
>>
>>>
>>>Unfortunately I seem to have found a bug in existing ext2, a bug
>>>in existing block_write_full_page, a probable bug in the aic7xxx
>>>driver, and an oops in the aic7xxx driver. So progress has slowed
>>>down a bit :(
>>>
>>Try this for the aic driver:
>>
>
>Steve,
>
>DaveM's alternate fix has been in the 2.4 and 2.5 kernels for some time,
>so given that Andrew is testing 2.5.5 this can't be the problem.
>

OK, I was not aware that went in, thanks.

>
>
>>We hit this once bio got introduced and we maxed out the request size
>>for the driver. Justin has the code in his next aic version.
>>
>
>Just for the record, this was/is not a bio bug, it was an aic7xxx bug
>that could trigger with or without bio.
>
Yep, bio just made it easier to get larger requests.

Steve