Commit 01123cf1 authored by Andreas Gruenbacher's avatar Andreas Gruenbacher
Browse files

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: default avatarAndreas Gruenbacher <agruenba@redhat.com>
Signed-off-by: default avatarBob Peterson <rpeterso@redhat.com>
parent bc74aaef

fs/gfs2/glock.c

+13 −6
Original line number Diff line number Diff line
@@ -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;

}