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authorBenjamin Marzinski <bmarzins@redhat.com>2009-07-10 18:04:24 -0500
committerSteven Whitehouse <swhiteho@redhat.com>2009-07-30 11:00:09 +0100
commit8ff22a6f9bdaac87c0eeb1d56c736181f11b4221 (patch)
tree00b0ad7afe45497d251adb244baf6875a0744985 /fs/fscache
parent1e19a19584b332eb92a573b66b7342fb97e67507 (diff)
GFS2: Don't put unlikely reclaim candidates on the reclaim list.
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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