Re: [GIT PULL URGENT] ext4 regression fix for 3.9

[Theodore Ts'o]

On Thu, Feb 28, 2013 at 10:30:05PM -0500, Dave Jones wrote:
> 
> This has fixed the problem I reported, but I notice now that my
> desktop is really sluggish. perf top shows it's almost constantly
> spinning in ext4_es_reclaim_extents_count
> 
> Any ideas ?

ext4_es_reclaim_extents_count() is getting called out of the slab
shrinker.  It's getting called too often when there is significant
memory pressure.  We can optimize this so we're not calculating it all
the time.

						- Ted
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