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SubjectRe: [PATCH] writeback: Do not sort b_io list only because of block device inode
On Mon, Jul 08, 2013 at 06:06:02PM +0200, Jan Kara wrote:
> On Mon 24-06-13 10:07:49, Jan Kara wrote:
> > It is very likely that block device inode will be part of BDI dirty list
> > as well. However it doesn't make sence to sort inodes on the b_io list
> > just because of this inode (as it contains buffers all over the device
> > anyway). So save some CPU cycles which is valuable since we hold relatively
> > contented wb->list_lock.
> Ping? Fengguang, can you merge the patch please?

OK! It's a good optimization to have.

Thanks,
Fengguang


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