Re: [PATCH 02/26] sd: move zone limits setup out of sd_read_block_characteristics

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On 6/13/24 18:39, Christoph Hellwig wrote:
> On Tue, Jun 11, 2024 at 02:51:24PM +0900, Damien Le Moal wrote:
>>> +	if (sdkp->device->type == TYPE_ZBC)
>>
>> Nit: use sd_is_zoned() here ?
> 
> Actually - is there much in even keeping sd_is_zoned now that the
> host aware support is removed?  Just open coding the type check isn't
> any more code, and probably easier to follow.

Removing this helper is fine by me. There are only 2 call sites in sd.c and the
some of 4 calls in sd_zbc.c are not really needed:
1) The call in sd_zbc_print_zones() is not needed at all since this function is
called only for a zoned drive from sd_zbc_revalidate_zones().
2) The calls in sd_zbc_report_zones() and sd_zbc_cmnd_checks() are probably
useless as these are called only for zoned drives in the first place. The checks
would be useful only for passthrough commands, but then we do not really care
about these and the user will get a failure anyway if it tries to do ZBC
commands on non-ZBC drives.
3) That leaves only the call in sd_zbc_read_zones() but that check can probably
be moved to sd.c to conditionally call  sd_zbc_read_zones().

-- 
Damien Le Moal
Western Digital Research





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