From: "Krzysztof Błaszkowski" <info@sysmikro.com.pl>
To: linux-raid@vger.kernel.org
Subject: a vm address of rdev's sb_page
Date: Fri, 15 Oct 2004 17:50:39 +0200 [thread overview]
Message-ID: <000d01c4b2ce$ba83bf60$21ffffc0@sysc1300> (raw)
Hi all,
I couldn't access easy a rdev super block (mdp_superblock_s) by remote gdb
(exactly at the places where I wish to print it), so are there any
constraints against keep a mdp_supeblock_t * sb_rdev in mdk_rdev_s as well
as page *sb_page ? like in 2.4 kernel ? It could also make better overall
performance due to that page_address() calls would be unnecessary.
The pointer could be kmapp'ed once after the sb_page is set and kept as
long as drive is present in the array.
Regards,
Krzysztof Blaszkowski
reply other threads:[~2004-10-15 15:50 UTC|newest]
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