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  • fs
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  • rgrp.c
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  • Bob Peterson's avatar
    GFS2: Use average srttb value in congestion calculations · f4a3ae93
    Bob Peterson authored Nov 19, 2014
    
    
    This patch changes function gfs2_rgrp_congested so that it uses an
    average srttb (smoothed round trip time for blocking rgrp glocks)
    rather than the CPU-specific value. If we use the CPU-specific value
    it can incorrectly report no contention when there really is contention
    due to the glock processing occurring on a different CPU.
    Signed-off-by: default avatarBob Peterson <rpeterso@redhat.com>
    Acked-by: default avatarSteven Whitehouse <swhiteho@redhat.com>
    f4a3ae93

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