On Mon, Feb 06, 2017 at 06:43:32PM +0800, Ming Lei wrote:
> In theory, ->bio_set still might be NULL in case of failed memory allocation,
> please see md_run().
And that's something that should be fixed. Silently not having mempool
is very bad behavior.
On Mon, Feb 6, 2017 at 4:54 PM, Christoph Hellwig wrote:
> On Sun, Feb 05, 2017 at 02:22:13PM +0800, Ming Lei wrote:
>> Firstly bio_clone_mddev() is used in raid normal I/O and isn't
>> in resync I/O path.
>>
>> Secondly all the direct access to bvec table in raid happens on
>> resync I/O except f
On Sun, Feb 05, 2017 at 02:22:13PM +0800, Ming Lei wrote:
> Firstly bio_clone_mddev() is used in raid normal I/O and isn't
> in resync I/O path.
>
> Secondly all the direct access to bvec table in raid happens on
> resync I/O except for write behind of raid1, in which we still
> use bio_clone() fo
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