Re: [PATCH 2/3] xfs: convert inode shrinker to per-filesystem contexts

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On Thu, Jul 15, 2010 at 09:46:57PM +1000, Dave Chinner wrote:
> From: Dave Chinner <dchinner@xxxxxxxxxx>
> 
> Now the shrinker passes us a context, wire up a shrinker context per
> filesystem. This allows us to remove the global mount list and the
> locking problems that introduced. It also means that a shrinker call
> does not need to traverse clean filesystems before finding a
> filesystem with reclaimable inodes.  This significantly reduces
> scanning overhead when lots of filesystems are present.
> 
> Signed-off-by: Dave Chinner <dchinner@xxxxxxxxxx>
> ---
>  fs/xfs/linux-2.6/xfs_super.c |    2 -
>  fs/xfs/linux-2.6/xfs_sync.c  |   62 +++++++++--------------------------------
>  fs/xfs/linux-2.6/xfs_sync.h  |    2 -
>  fs/xfs/xfs_mount.h           |    2 +-
>  4 files changed, 15 insertions(+), 53 deletions(-)

And makes the code a lot simpler and more obvious.


Reviewed-by: Christoph Hellwig <hch@xxxxxx>

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