block: add FALLOC_FL_WRITE_ZEROES support

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Add support for FALLOC_FL_WRITE_ZEROES, if the block device enables the
unmap write zeroes operation, it will issue a write zeroes command.

Signed-off-by: Zhang Yi <yi.zhang@huawei.com>
Link: https://lore.kernel.org/20250619111806.3546162-9-yi.zhang@huaweicloud.com
Reviewed-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: "Martin K. Petersen" <martin.petersen@oracle.com>
Signed-off-by: Christian Brauner <brauner@kernel.org>

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Zhang Yi 2025-06-19 19:18:05 +08:00 • committed by Christian Brauner

parent 562108d56b

commit 912b6038fe

1 changed files with 11 additions and 1 deletions

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block/fops.c

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