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Christoph Hellwig
ca8f6548e6
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]>
16 lines
422 B
C
16 lines
422 B
C
/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
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#ifndef _UAPI_LINUX_BLKDEV_H
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#define _UAPI_LINUX_BLKDEV_H
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#include <linux/ioctl.h>
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#include <linux/types.h>
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/*
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* io_uring block file commands, see IORING_OP_URING_CMD.
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* It's a different number space from ioctl(), reuse the block's code 0x12.
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*/
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#define BLOCK_URING_CMD_DISCARD _IO(0x12, 0)
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#define BLOCK_URING_CMD_ZONE_RESET_ALL _IO(0x12, 1)
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#endif
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