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io_uring: bump max direct descriptor count to 1M

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We currently limit these to 32K, but since we're now backing the table
space with vmalloc when needed, there's no reason why we can't make it
bigger. The total space is limited by RLIMIT_NOFILE as well.

Reviewed-by: Hao Xu <howeyxu@tencent.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
This commit is contained in:
Jens Axboe 2022-05-09 09:11:01 -06:00
parent c30c3e00cb
commit 09893e15f1
1 changed files with 1 additions and 1 deletions
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fs/io_uring.c
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@ -94,7 +94,7 @@
#define IORING_SQPOLL_CAP_ENTRIES_VALUE 8
/* only define max */
#define IORING_MAX_FIXED_FILES (1U << 15)
#define IORING_MAX_FIXED_FILES (1U << 20)
#define IORING_MAX_RESTRICTIONS (IORING_RESTRICTION_LAST + \
IORING_REGISTER_LAST + IORING_OP_LAST)