GFS2: Remove unused field from glock

The time stamp field is unused in the glock now that we are
using a shrinker, so that we can remove it and save sizeof(unsigned long)
bytes in each glock.

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

diff --git a/fs/gfs2/glock.c b/fs/gfs2/glock.c
index cd200a5..173e59c 100644 (file)
--- a/fs/gfs2/glock.c
+++ b/fs/gfs2/glock.c
@@ -700,7 +700,6 @@ int gfs2_glock_get(struct gfs2_sbd *sdp, u64 number,
        snprintf(gl->gl_strname, GDLM_STRNAME_BYTES, "%8x%16llx", name.ln_type, (unsigned long long)number);
        memset(&gl->gl_lksb, 0, sizeof(struct dlm_lksb));
        gl->gl_lksb.sb_lvbptr = gl->gl_lvb;
-       gl->gl_stamp = jiffies;
        gl->gl_tchange = jiffies;
        gl->gl_object = NULL;
        gl->gl_sbd = sdp;
@@ -1008,7 +1007,6 @@ void gfs2_glock_dq(struct gfs2_holder *gh)
                        spin_lock(&gl->gl_spin);
                        clear_bit(GLF_LOCK, &gl->gl_flags);
                }
-               gl->gl_stamp = jiffies;
                if (list_empty(&gl->gl_holders) &&
                    !test_bit(GLF_PENDING_DEMOTE, &gl->gl_flags) &&
                    !test_bit(GLF_DEMOTE, &gl->gl_flags))

diff --git a/fs/gfs2/incore.h b/fs/gfs2/incore.h
index 0af7c24..8fe0675 100644 (file)
--- a/fs/gfs2/incore.h
+++ b/fs/gfs2/incore.h
@@ -211,7 +211,6 @@ struct gfs2_glock {
        char gl_strname[GDLM_STRNAME_BYTES];
        struct dlm_lksb gl_lksb;
        char gl_lvb[32];
-       unsigned long gl_stamp;
        unsigned long gl_tchange;
        void *gl_object;