gfs2: create function gfs2_glock_update_hold_time

This patch moves the code that updates glock minimum hold
time to a separate function. This will be called by a future
patch.

Signed-off-by: Andreas Gruenbacher <agruenba@redhat.com>
Signed-off-by: Bob Peterson <rpeterso@redhat.com>

1 files changed, 13 insertions, 6 deletions

diff --git a/fs/gfs2/glock.c b/fs/gfs2/glock.c
index a27dbd3dec01..661350989e98 100644
--- a/fs/gfs2/glock.c
+++ b/fs/gfs2/glock.c
@@ -931,6 +931,17 @@ void gfs2_holder_uninit(struct gfs2_holder *gh)
         gh->gh_ip = 0;
 }
 
+static void gfs2_glock_update_hold_time(struct gfs2_glock *gl,
+                                        unsigned long start_time)
+{
+        /* Have we waited longer that a second? */
+        if (time_after(jiffies, start_time + HZ)) {
+                /* Lengthen the minimum hold time. */
+                gl->gl_hold_time = min(gl->gl_hold_time + GL_GLOCK_HOLD_INCR,
+                                       GL_GLOCK_MAX_HOLD);
+        }
+}
+
 /**
  * gfs2_glock_wait - wait on a glock acquisition
  * @gh: the glock holder
@@ -940,15 +951,11 @@ void gfs2_holder_uninit(struct gfs2_holder *gh)
 
 int gfs2_glock_wait(struct gfs2_holder *gh)
 {
-        unsigned long time1 = jiffies;
+        unsigned long start_time = jiffies;
 
         might_sleep();
         wait_on_bit(&gh->gh_iflags, HIF_WAIT, TASK_UNINTERRUPTIBLE);
-        if (time_after(jiffies, time1 + HZ)) /* have we waited > a second? */
-                /* Lengthen the minimum hold time. */
-                gh->gh_gl->gl_hold_time = min(gh->gh_gl->gl_hold_time +
-                                              GL_GLOCK_HOLD_INCR,
-                                              GL_GLOCK_MAX_HOLD);
+        gfs2_glock_update_hold_time(gh->gh_gl, start_time);
         return gh->gh_error;
 }