luck/tmp_suning_uos_patched
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[GFS2] Only wake the reclaim daemon if we need to

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This patch only wakes up the glock reclaim daemon if there is
actually something to be reclaimed.

Signed-off-by: Bob Peterson <rpeterso@redhat.com>
Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>
This commit is contained in:
Bob Peterson 2008-01-28 14:54:16 -06:00 committed by Steven Whitehouse
parent 7eabb77e65
commit ef8c441cb7
1 changed files with 4 additions and 4 deletions
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8
fs/gfs2/glock.c
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@ -1594,10 +1594,10 @@ void gfs2_glock_schedule_for_reclaim(struct gfs2_glock *gl)
gfs2_glock_hold(gl);
list_add(&gl->gl_reclaim, &sdp->sd_reclaim_list);
atomic_inc(&sdp->sd_reclaim_count);
}
spin_unlock(&sdp->sd_reclaim_lock);
wake_up(&sdp->sd_reclaim_wq);
spin_unlock(&sdp->sd_reclaim_lock);
wake_up(&sdp->sd_reclaim_wq);
} else
spin_unlock(&sdp->sd_reclaim_lock);
}
/**