[GFS2] Remove "reclaim limit"

This call to reclaim glocks is not needed, and in particular we don't want it
in the fast path for locking glocks. The limit was entirely arbitrary anyway
and we can't expect users to adjust things like this, the remaining code will
do the right thing on its own.

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

fs/gfs2/incore.h

@@ -433,7 +433,6 @@ struct gfs2_tune {
 	unsigned int gt_max_readahead; /* Max bytes to read-ahead from disk */
 	unsigned int gt_stall_secs; /* Detects trouble! */
 	unsigned int gt_complain_secs;
-	unsigned int gt_reclaim_limit; /* Max num of glocks in reclaim list */
 	unsigned int gt_statfs_quantum;
 	unsigned int gt_statfs_slow;
 };