From: Matthew Wilcox <matthew@wil.cx>
To: Zhikun Wang <raidwang@gmail.com>
Cc: Neil Brown <neilb@suse.de>,
linux-raid <linux-raid@vger.kernel.org>,
linux-scsi <linux-scsi@vger.kernel.org>,
Eric Moore <Eric.Moore@lsil.com>
Subject: Re: might_sleep warnings in gereric_make_request
Date: Wed, 19 Apr 2006 21:31:08 -0600 [thread overview]
Message-ID: <20060420033108.GO24104@parisc-linux.org> (raw)
In-Reply-To: <200604201105448287687@gmail.com>
On Thu, Apr 20, 2006 at 11:05:55AM +0800, Zhikun Wang wrote:
> Hi:
> I want to call genric_make_request in bio->bi_end_io function. But it incurs might_sleep warnings! I wonder this method is safe in the kernel? Thanks a lot!
>
>
> cfq: depth 4 reached, tagging now on
> Debug: sleeping function called from invalid context at drivers/block/ll_rw_blk.c:2878
> in_atomic():1, irqs_disabled():0
You can't call generic_make_request() from interrupt context. What are
you trying to do?
next prev parent reply other threads:[~2006-04-20 3:31 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-04-20 3:05 might_sleep warnings in gereric_make_request Zhikun Wang
2006-04-20 3:31 ` Matthew Wilcox [this message]
[not found] ` <200604201142426250967@gmail.com>
2006-04-20 3:47 ` Matthew Wilcox
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