[PATCH 17/26] block: move the stable_write flag to queue_limits

Damien Le Moal dlemoal at kernel.org
Tue Jun 11 10:12:40 CEST 2024


On 6/11/24 2:19 PM, Christoph Hellwig wrote:
> Move the io_stat flag into the queue_limits feature field so that it can

s/io_stat/stable_write

> be set atomically and all I/O is frozen when changing the flag.
> 
> The flag is now inherited by blk_stack_limits, which greatly simplifies
> the code in dm, and fixed md which previously did not pass on the flag
> set on lower devices.
> 
> Signed-off-by: Christoph Hellwig <hch at lst.de>

Other than the nit above, looks OK to me.

Reviewed-by: Damien Le Moal <dlemoal at kernel.org>

-- 
Damien Le Moal
Western Digital Research



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