block: implement async io_uring zone reset all

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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 <hch@lst.de>
Reviewed-by: Damien Le Moal <dlemoal@kernel.org>
Link: https://patch.msgid.link/20260804125038.740388-7-hch@lst.de
Signed-off-by: Jens Axboe <axboe@kernel.dk>

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Christoph Hellwig 2026-08-04 05:50:22 -07:00 • committed by Jens Axboe

parent b3c5f8d05e

commit ca8f6548e6

2 changed files with 38 additions and 0 deletions

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37

block/ioctl.c

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1

include/uapi/linux/blkdev.h

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