Re: BUG #19369: Not documented that io_uring on kernel versions between 5.1 and below 5.6 does not work

From: Pierre Forstmann <pierre(dot)forstmann(at)gmail(dot)com>
To: pgsql-hackers(at)lists(dot)postgresql(dot)org
Cc: Surya Poondla <suryapoondla4(at)gmail(dot)com>
Subject: Re: BUG #19369: Not documented that io_uring on kernel versions between 5.1 and below 5.6 does not work
Date: 2026-08-26 14:38:02
Message-ID: 178775508285.1145.13173087930019319507.pgcf@coridan.postgresql.org
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Hello,

When compiling I get following warning:

[932/1889] Compiling C object src/backend/postgres_lib.a.p/storage_aio_method_io_uring.c.o
../src/backend/storage/aio/method_io_uring.c: In function ‘is_uring_read_write_unsupported’:
../src/backend/storage/aio/method_io_uring.c:253:32: warning: unused variable ‘p’ [-Wunused-variable]
253 | struct io_uring_params p = {0};

Could you please fix this ?

I also would like to know if you manage to run the equivalent of 'make installcheck-world" with meson ?
I cannot: see my message of 16:33 CET.

Regards
PF

The new status of this patch is: Waiting on Author

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