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authorloris <76793979+lorislibralato@users.noreply.github.com>2023-12-10 15:14:40 +0100
committerVeikka Tuominen <git@vexu.eu>2023-12-12 06:49:19 +0200
commit37458cc886f8c6347b0e3e58965637656d86f9f9 (patch)
tree2d5bac54882c5976599b1a120fc626865ee3d572
parent5c1428ea9db6c455fdd36b60fe6cd27b9e8eae4d (diff)
downloadzig-37458cc886f8c6347b0e3e58965637656d86f9f9.tar.gz
zig-37458cc886f8c6347b0e3e58965637656d86f9f9.zip
allow sqe entries up to 32768
-rw-r--r--lib/std/os/linux/io_uring.zig6
1 files changed, 3 insertions, 3 deletions
diff --git a/lib/std/os/linux/io_uring.zig b/lib/std/os/linux/io_uring.zig
index 2219d95832..3002d10e98 100644
--- a/lib/std/os/linux/io_uring.zig
+++ b/lib/std/os/linux/io_uring.zig
@@ -15,11 +15,11 @@ pub const IO_Uring = struct {
features: u32,
/// A friendly way to setup an io_uring, with default linux.io_uring_params.
- /// `entries` must be a power of two between 1 and 4096, although the kernel will make the final
+ /// `entries` must be a power of two between 1 and 32768, although the kernel will make the final
/// call on how many entries the submission and completion queues will ultimately have,
/// see https://github.com/torvalds/linux/blob/v5.8/fs/io_uring.c#L8027-L8050.
/// Matches the interface of io_uring_queue_init() in liburing.
- pub fn init(entries: u13, flags: u32) !IO_Uring {
+ pub fn init(entries: u16, flags: u32) !IO_Uring {
var params = mem.zeroInit(linux.io_uring_params, .{
.flags = flags,
.sq_thread_idle = 1000,
@@ -31,7 +31,7 @@ pub const IO_Uring = struct {
/// queue thread cpu affinity or thread idle timeout (the kernel and our default is 1 second).
/// `params` is passed by reference because the kernel needs to modify the parameters.
/// Matches the interface of io_uring_queue_init_params() in liburing.
- pub fn init_params(entries: u13, p: *linux.io_uring_params) !IO_Uring {
+ pub fn init_params(entries: u16, p: *linux.io_uring_params) !IO_Uring {
if (entries == 0) return error.EntriesZero;
if (!std.math.isPowerOfTwo(entries)) return error.EntriesNotPowerOfTwo;