* Andrew Morton a...@linux-foundation.org wrote:
On Fri, 30 Aug 2013 10:14:01 -0400 Josef Bacik jba...@fusionio.com wrote:
Btrfs uses an rwsem to control access to its extent tree. Threads
will hold a read lock on this rwsem while they scan the extent tree,
and if need_resched() they
On Fri, 30 Aug 2013 10:14:01 -0400 Josef Bacik jba...@fusionio.com wrote:
Btrfs uses an rwsem to control access to its extent tree. Threads will hold a
read lock on this rwsem while they scan the extent tree, and if need_resched()
they will drop the lock and schedule. The transaction commit
On Mon, Sep 16, 2013 at 04:05:47PM -0700, Andrew Morton wrote:
On Fri, 30 Aug 2013 10:14:01 -0400 Josef Bacik jba...@fusionio.com wrote:
Btrfs uses an rwsem to control access to its extent tree. Threads will
hold a
read lock on this rwsem while they scan the extent tree, and if
On 09/16/2013 05:05 PM, Josef Bacik wrote:
On Mon, Sep 16, 2013 at 04:05:47PM -0700, Andrew Morton wrote:
On Fri, 30 Aug 2013 10:14:01 -0400 Josef Bacik jba...@fusionio.com wrote:
Btrfs uses an rwsem to control access to its extent tree. Threads will hold a
read lock on this rwsem while they
On 09/16/2013 08:29 PM, David Daney wrote:
On 09/16/2013 05:05 PM, Josef Bacik wrote:
On Mon, Sep 16, 2013 at 04:05:47PM -0700, Andrew Morton wrote:
On Fri, 30 Aug 2013 10:14:01 -0400 Josef Bacik jba...@fusionio.com wrote:
Btrfs uses an rwsem to control access to its extent tree. Threads
On 09/16/2013 05:37 PM, Peter Hurley wrote:
On 09/16/2013 08:29 PM, David Daney wrote:
On 09/16/2013 05:05 PM, Josef Bacik wrote:
On Mon, Sep 16, 2013 at 04:05:47PM -0700, Andrew Morton wrote:
On Fri, 30 Aug 2013 10:14:01 -0400 Josef Bacik jba...@fusionio.com
wrote:
Btrfs uses an rwsem to
On 09/16/2013 09:11 PM, Josef Bacik wrote:
On Mon, Sep 16, 2013 at 06:08:42PM -0700, David Daney wrote:
On 09/16/2013 05:37 PM, Peter Hurley wrote:
On 09/16/2013 08:29 PM, David Daney wrote:
On 09/16/2013 05:05 PM, Josef Bacik wrote:
On Mon, Sep 16, 2013 at 04:05:47PM -0700, Andrew Morton
On 09/03/2013 09:18 AM, Josef Bacik wrote:
On Mon, Sep 02, 2013 at 01:18:08PM -0400, Peter Hurley wrote:
On 09/01/2013 04:32 AM, Michel Lespinasse wrote:
Hi Josef,
On Fri, Aug 30, 2013 at 7:14 AM, Josef Bacik jba...@fusionio.com wrote:
Btrfs uses an rwsem to control access to its extent
On Wed, Sep 04, 2013 at 07:46:56AM -0400, Peter Hurley wrote:
On 09/03/2013 09:18 AM, Josef Bacik wrote:
On Mon, Sep 02, 2013 at 01:18:08PM -0400, Peter Hurley wrote:
On 09/01/2013 04:32 AM, Michel Lespinasse wrote:
Hi Josef,
On Fri, Aug 30, 2013 at 7:14 AM, Josef Bacik jba...@fusionio.com
On 09/03/2013 11:47 AM, Josef Bacik wrote:
On Sun, Sep 01, 2013 at 01:32:36AM -0700, Michel Lespinasse wrote:
Hi Josef,
On Fri, Aug 30, 2013 at 7:14 AM, Josef Bacik jba...@fusionio.com wrote:
Btrfs uses an rwsem to control access to its extent tree. Threads will hold a
read lock on this
On Mon, Sep 02, 2013 at 01:18:08PM -0400, Peter Hurley wrote:
On 09/01/2013 04:32 AM, Michel Lespinasse wrote:
Hi Josef,
On Fri, Aug 30, 2013 at 7:14 AM, Josef Bacik jba...@fusionio.com wrote:
Btrfs uses an rwsem to control access to its extent tree. Threads will
hold a
read lock on this
On Sat, Aug 31, 2013 at 04:51:36PM +0200, Peter Zijlstra wrote:
On Fri, Aug 30, 2013 at 10:14:01AM -0400, Josef Bacik wrote:
Btrfs uses an rwsem to control access to its extent tree. Threads will
hold a
read lock on this rwsem while they scan the extent tree, and if
need_resched()
On Sun, Sep 01, 2013 at 01:32:36AM -0700, Michel Lespinasse wrote:
Hi Josef,
On Fri, Aug 30, 2013 at 7:14 AM, Josef Bacik jba...@fusionio.com wrote:
Btrfs uses an rwsem to control access to its extent tree. Threads will
hold a
read lock on this rwsem while they scan the extent tree,
On 09/01/2013 04:32 AM, Michel Lespinasse wrote:
Hi Josef,
On Fri, Aug 30, 2013 at 7:14 AM, Josef Bacik jba...@fusionio.com wrote:
Btrfs uses an rwsem to control access to its extent tree. Threads will hold a
read lock on this rwsem while they scan the extent tree, and if need_resched()
they
Hi Josef,
On Fri, Aug 30, 2013 at 7:14 AM, Josef Bacik jba...@fusionio.com wrote:
Btrfs uses an rwsem to control access to its extent tree. Threads will hold a
read lock on this rwsem while they scan the extent tree, and if need_resched()
they will drop the lock and schedule. The transaction
On Fri, Aug 30, 2013 at 10:14:01AM -0400, Josef Bacik wrote:
Btrfs uses an rwsem to control access to its extent tree. Threads will hold a
read lock on this rwsem while they scan the extent tree, and if need_resched()
they will drop the lock and schedule. The transaction commit needs to take
Btrfs uses an rwsem to control access to its extent tree. Threads will hold a
read lock on this rwsem while they scan the extent tree, and if need_resched()
they will drop the lock and schedule. The transaction commit needs to take a
write lock for this rwsem for a very short period to switch
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