Messages in this thread |  | | From | Jeff Moyer <> | | Subject | Re: [REGRESSION] bfq probe failed on 4.19-rc3 | | Date | Tue, 11 Sep 2018 12:48:10 -0400 |
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Jens Axboe <axboe@kernel.dk> writes:
> On 9/11/18 10:03 AM, Takashi Iwai wrote: >> Hi, >> >> I noticed that bfq doesn't appear in the I/O scheduler list on >> 4.19-rc3. It seems that blkcg_policy_register() at the beginning of >> bfq_init() returns -ENOSPC, hence the probe aborts silently. >> >> Is this already addressed? > > Haven't heard about this one before. What kernel did you last use that > worked?
I'm guessing you just need to update the maximum number of policies:
/* * Maximum number of blkcg policies allowed to be registered concurrently. * Defined here to simplify include dependency. */ #define BLKCG_MAX_POLS 3
-Jeff
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