From: Andrew Morton <akpm@linux-foundation.org>
To: Andy Grover <andy.grover@oracle.com>
Cc: linux-mm@kvack.org, rds-devel@oss.oracle.com
Subject: Re: [RESEND PATCH] mm: Use spin_lock_irqsave in __set_page_dirty_nobuffers
Date: Fri, 21 Jan 2011 00:18:04 -0800 [thread overview]
Message-ID: <20110121001804.413b3f6d.akpm@linux-foundation.org> (raw)
In-Reply-To: <1294726534-16438-1-git-send-email-andy.grover@oracle.com>
On Mon, 10 Jan 2011 22:15:34 -0800 Andy Grover <andy.grover@oracle.com> wrote:
> RDS is calling set_page_dirty from interrupt context,
yikes. Whatever possessed you to try that?
> @@ -1155,11 +1155,12 @@ int __set_page_dirty_nobuffers(struct page *page)
__set_page_dirty_buffers(): bug, takes mapping->private_lock in irq context
bug, __set_page_dirty() reenables IRQs
ceph_set_page_dirty(): more bugs than I care to enumerate
nilfs_set_file_dirty(): bug, takes sbi->s_inode_lock in IRQ context
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next prev parent reply other threads:[~2011-01-21 8:18 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-01-11 6:15 [RESEND PATCH] mm: Use spin_lock_irqsave in __set_page_dirty_nobuffers Andy Grover
2011-01-21 8:18 ` Andrew Morton [this message]
2011-01-21 19:25 ` Andy Grover
2011-01-21 20:09 ` Andrew Morton
2011-01-25 1:30 ` Andy Grover
2011-01-25 1:44 ` Andrew Morton
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