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Re: [Qemu-devel] [PATCH] ide: set WCACHE supported in IDENTIFY data
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From: |
Kevin Wolf |
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Subject: |
Re: [Qemu-devel] [PATCH] ide: set WCACHE supported in IDENTIFY data |
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Date: |
Fri, 08 Oct 2010 14:03:55 +0200 |
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User-agent: |
Mozilla/5.0 (X11; U; Linux x86_64; en-US; rv:1.9.1.12) Gecko/20100907 Fedora/3.0.7-1.fc12 Thunderbird/3.0.7 |
Am 04.10.2010 15:29, schrieb Christoph Hellwig:
> ATA does not only have the WCACHE enabled bit in identify word 85, but also
> a WCACHE supported bit in word 82. While the Linux kernel is fine with the
> latter at least hdparm also needs the former before correctly displaying
> the cache settings. There's also a non-zero chance other operating systems
> are more picky in their volatile write cache detection.
>
> Signed-off-by: Christoph Hellwig <address@hidden>
Thanks, applied to the block branch.
Kevin