From: Jens Axboe Date: Mon, 9 May 2022 15:11:01 +0000 (-0600) Subject: io_uring: bump max direct descriptor count to 1M X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=09893e15f1e9910711c152cd126ccfa85581ba83;p=linux.git io_uring: bump max direct descriptor count to 1M 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 Signed-off-by: Jens Axboe --- diff --git a/fs/io_uring.c b/fs/io_uring.c index dc75c43bc9b22..b75a49d3831b7 100644 --- a/fs/io_uring.c +++ b/fs/io_uring.c @@ -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)