GFS2: Don't put unlikely reclaim candidates on the reclaim list.

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GFS2 was placing far too many glocks on the reclaim list that were not good
candidates for freeing up from cache.  These locks would sit there and
repeatedly get scanned to see if they could be reclaimed, wasting a lot
of time when there was memory pressure. This fix does more checks on the
locks to see if they are actually likely to be removable from cache.

Signed-off-by: Benjamin Marzinski <bmarzins@redhat.com>
Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>

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Benjamin Marzinski 2009-07-10 18:04:24 -05:00 • committed by Steven Whitehouse

parent 1e19a19584

commit 8ff22a6f9b

1 changed files with 46 additions and 26 deletions

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fs/gfs2/glock.c

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