Files
Christoph Hellwig ca8f6548e6 block: implement async io_uring zone reset all
Add a new BLOCK_URING_CMD_ZONE_RESET_ALL uring cmd to reset all zones
for a given block device.  This can be used by storage systems or
file system mkfs tools to initialize multiple devices in parallel.

Signed-off-by: Christoph Hellwig <[email protected]>
Reviewed-by: Damien Le Moal <[email protected]>
Link: https://patch.msgid.link/[email protected]
Signed-off-by: Jens Axboe <[email protected]>
2026-08-04 06:55:31 -06:00

16 lines
422 B
C

/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
#ifndef _UAPI_LINUX_BLKDEV_H
#define _UAPI_LINUX_BLKDEV_H
#include <linux/ioctl.h>
#include <linux/types.h>
/*
* io_uring block file commands, see IORING_OP_URING_CMD.
* It's a different number space from ioctl(), reuse the block's code 0x12.
*/
#define BLOCK_URING_CMD_DISCARD _IO(0x12, 0)
#define BLOCK_URING_CMD_ZONE_RESET_ALL _IO(0x12, 1)
#endif