[Date Prev][Date Next] [Thread Prev][Thread Next]
[Thread Index]
[Date Index]
[Author Index]
[dm-devel] Re: [PATCH 2.6.19 5/5] fs: freeze_bdev with semaphore not mutex
- From: David Chinner <dgc sgi com>
- To: Pavel Machek <pavel ucw cz>
- Cc: Andrew Morton <akpm osdl org>, Eric Sandeen <sandeen redhat com>, Nigel Cunningham <nigel suspend2 net>, David Chinner <dgc sgi com>, linux-kernel vger kernel org, "Rafael J. Wysocki" <rjw sisk pl>, dm-devel redhat com, Srinivasa DS <srinivasa in ibm com>, Alasdair G Kergon <agk redhat com>
- Subject: [dm-devel] Re: [PATCH 2.6.19 5/5] fs: freeze_bdev with semaphore not mutex
- Date: Fri, 10 Nov 2006 11:54:36 +1100
On Thu, Nov 09, 2006 at 10:17:22PM +0100, Pavel Machek wrote:
> Why not simply &~ PF_NOFREEZE on that particular process? Filesystems
> are free to use threads/work queues/whatever, but refrigerator should
> mean "no writes to filesystem" for them...
Freezing the filesytem is the way to tell the filesystem "no more
writes to the filesytem".
Cheers,
Dave.
--
Dave Chinner
Principal Engineer
SGI Australian Software Group
[Date Prev][Date Next] [Thread Prev][Thread Next]
[Thread Index]
[Date Index]
[Author Index]