From: Zach Brown <zach.brown@oracle.com>
To: David Howells <dhowells@redhat.com>
Cc: torvalds@osdl.org, akpm@osdl.org, steved@redhat.com,
sct@redhat.com, aviro@redhat.com, linux-fsdevel@vger.kernel.org,
linux-cachefs@redhat.com, nfsv4@linux-nfs.org,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH 2/7] FS-Cache: Add notification of page becoming writable to VMA ops
Date: Thu, 20 Apr 2006 10:40:33 -0700 [thread overview]
Message-ID: <4447C791.2070901@oracle.com> (raw)
In-Reply-To: <20060420165930.9968.60742.stgit@warthog.cambridge.redhat.com>
David Howells wrote:
> The attached patch adds a new VMA operation to notify a filesystem or other
> driver about the MMU generating a fault because userspace attempted to write
> to a page mapped through a read-only PTE.
This will almost certainly help OCFS2 get shared writable mmap() right,
too, though it probably won't be the whole story.
- z
next prev parent reply other threads:[~2006-04-20 17:40 UTC|newest]
Thread overview: 31+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-04-20 16:59 [PATCH 1/7] FS-Cache: Provide a filesystem-specific sync'able page bit David Howells
2006-04-20 16:59 ` [PATCH 2/7] FS-Cache: Add notification of page becoming writable to VMA ops David Howells
2006-04-20 17:40 ` Zach Brown [this message]
2006-04-20 18:27 ` Anton Altaparmakov
2006-04-20 16:59 ` [PATCH 3/7] FS-Cache: Avoid ENFILE checking for kernel-specific open files David Howells
2006-04-20 17:18 ` Christoph Hellwig
2006-04-20 18:06 ` David Howells
2006-04-21 0:11 ` Andrew Morton
2006-04-21 10:57 ` David Howells
2006-04-21 0:07 ` Andrew Morton
2006-04-21 12:33 ` David Howells
2006-04-21 18:22 ` Andrew Morton
2006-04-21 19:29 ` David Howells
2006-04-20 16:59 ` [PATCH 4/7] FS-Cache: Export find_get_pages() David Howells
2006-04-20 17:19 ` Christoph Hellwig
2006-04-20 17:45 ` David Howells
2006-04-21 0:15 ` Andrew Morton
2006-04-21 13:02 ` David Howells
2006-04-20 16:59 ` [PATCH 5/7] FS-Cache: Generic filesystem caching facility David Howells
2006-04-21 0:46 ` Andrew Morton
2006-04-21 14:15 ` David Howells
2006-04-21 18:38 ` Andrew Morton
2006-04-21 19:33 ` David Howells
2006-04-20 16:59 ` [PATCH 6/7] FS-Cache: Make kAFS use FS-Cache David Howells
2006-04-20 16:59 ` [PATCH 7/7] FS-Cache: CacheFiles: A cache that backs onto a mounted filesystem David Howells
2006-04-21 0:57 ` Andrew Morton
2006-04-21 1:16 ` Andrew Morton
2006-04-21 14:49 ` David Howells
2006-04-21 0:12 ` [PATCH 1/7] FS-Cache: Provide a filesystem-specific sync'able page bit Andrew Morton
2006-04-21 10:22 ` David Howells
2006-04-21 10:33 ` Andrew Morton
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