GFS2: Automatically adjust glock min hold time

This patch is a performance improvement for GFS2 in a clustered
environment. It makes the glock hold time self-adjusting.

Signed-off-by: Bob Peterson <rpeterso@redhat.com>
Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>

1 files changed, 1 insertions, 1 deletions

diff --git a/fs/gfs2/incore.h b/fs/gfs2/incore.h
index 24cd55f60e6..892ac37de8a 100644
--- a/fs/gfs2/incore.h
+++ b/fs/gfs2/incore.h
@@ -163,7 +163,6 @@ struct gfs2_glock_operations {
         int (*go_dump)(struct seq_file *seq, const struct gfs2_glock *gl);
         void (*go_callback) (struct gfs2_glock *gl);
         const int go_type;
-        const unsigned long go_min_hold_time;
         const unsigned long go_flags;
 #define GLOF_ASPACE 1
 };
@@ -221,6 +220,7 @@ struct gfs2_glock {
 
         unsigned int gl_hash;
         unsigned long gl_demote_time; /* time of first demote request */
+        long gl_hold_time;
         struct list_head gl_holders;
 
         const struct gfs2_glock_operations *gl_ops;