commit 4e857c58efeb99393cba5a5d0d8ec7117183137c
author Peter Zijlstra <peterz@infradead.org> Mon Mar 17 18:06:10 2014 +0100
committer Ingo Molnar <mingo@kernel.org> Fri Apr 18 14:20:48 2014 +0200
tree 3f6fd464e4fddb2fe90374c075c9d06603cf8bbc
parent 1b15611e1c30b37abe393d411c316cd659920bf5

arch: Mass conversion of smp_mb__*()

Mostly scripted conversion of the smp_mb__* barriers.

Signed-off-by: Peter Zijlstra <peterz@infradead.org>
Acked-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Link: http://lkml.kernel.org/n/tip-55dhyhocezdw1dg7u19hmh1u@git.kernel.org
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: linux-arch@vger.kernel.org
Signed-off-by: Ingo Molnar <mingo@kernel.org>

fs/gfs2/glock.c

diff --git a/fs/gfs2/glock.c b/fs/gfs2/glock.c
index aec7f73..c355f73 100644
--- a/fs/gfs2/glock.c
+++ b/fs/gfs2/glock.c
@@ -277,7 +277,7 @@
 static void gfs2_holder_wake(struct gfs2_holder *gh)
 {
 	clear_bit(HIF_WAIT, &gh->gh_iflags);
-	smp_mb__after_clear_bit();
+	smp_mb__after_atomic();
 	wake_up_bit(&gh->gh_iflags, HIF_WAIT);
 }
 
@@ -411,7 +411,7 @@
 {
 	gl->gl_demote_state = LM_ST_EXCLUSIVE;
 	clear_bit(GLF_DEMOTE, &gl->gl_flags);
-	smp_mb__after_clear_bit();
+	smp_mb__after_atomic();
 	wake_up_bit(&gl->gl_flags, GLF_DEMOTE);
 }
 
@@ -620,7 +620,7 @@
 
 out_sched:
 	clear_bit(GLF_LOCK, &gl->gl_flags);
-	smp_mb__after_clear_bit();
+	smp_mb__after_atomic();
 	gl->gl_lockref.count++;
 	if (queue_delayed_work(glock_workqueue, &gl->gl_work, 0) == 0)
 		gl->gl_lockref.count--;
@@ -628,7 +628,7 @@
 
 out_unlock:
 	clear_bit(GLF_LOCK, &gl->gl_flags);
-	smp_mb__after_clear_bit();
+	smp_mb__after_atomic();
 	return;
 }
 

fs/gfs2/glops.c

diff --git a/fs/gfs2/glops.c b/fs/gfs2/glops.c
index 54b66809..74d9a3d 100644
--- a/fs/gfs2/glops.c
+++ b/fs/gfs2/glops.c
@@ -221,7 +221,7 @@
 	 * Writeback of the data mapping may cause the dirty flag to be set
 	 * so we have to clear it again here.
 	 */
-	smp_mb__before_clear_bit();
+	smp_mb__before_atomic();
 	clear_bit(GLF_DIRTY, &gl->gl_flags);
 }
 

fs/gfs2/lock_dlm.c

diff --git a/fs/gfs2/lock_dlm.c b/fs/gfs2/lock_dlm.c
index c1eb555..91f274d 100644
--- a/fs/gfs2/lock_dlm.c
+++ b/fs/gfs2/lock_dlm.c
@@ -1134,7 +1134,7 @@
 		queue_delayed_work(gfs2_control_wq, &sdp->sd_control_work, 0);
 
 	clear_bit(DFL_DLM_RECOVERY, &ls->ls_recover_flags);
-	smp_mb__after_clear_bit();
+	smp_mb__after_atomic();
 	wake_up_bit(&ls->ls_recover_flags, DFL_DLM_RECOVERY);
 	spin_unlock(&ls->ls_recover_spin);
 }
@@ -1271,7 +1271,7 @@
 
 	ls->ls_first = !!test_bit(DFL_FIRST_MOUNT, &ls->ls_recover_flags);
 	clear_bit(SDF_NOJOURNALID, &sdp->sd_flags);
-	smp_mb__after_clear_bit();
+	smp_mb__after_atomic();
 	wake_up_bit(&sdp->sd_flags, SDF_NOJOURNALID);
 	return 0;
 

fs/gfs2/recovery.c

diff --git a/fs/gfs2/recovery.c b/fs/gfs2/recovery.c
index 7ad4094..fe7a56f 100644
--- a/fs/gfs2/recovery.c
+++ b/fs/gfs2/recovery.c
@@ -587,7 +587,7 @@
 	gfs2_recovery_done(sdp, jd->jd_jid, LM_RD_GAVEUP);
 done:
 	clear_bit(JDF_RECOVERY, &jd->jd_flags);
-	smp_mb__after_clear_bit();
+	smp_mb__after_atomic();
 	wake_up_bit(&jd->jd_flags, JDF_RECOVERY);
 }
 

fs/gfs2/sys.c

diff --git a/fs/gfs2/sys.c b/fs/gfs2/sys.c
index de25d55..529d9a9 100644
--- a/fs/gfs2/sys.c
+++ b/fs/gfs2/sys.c
@@ -333,7 +333,7 @@
 		set_bit(DFL_BLOCK_LOCKS, &ls->ls_recover_flags);
 	else if (val == 0) {
 		clear_bit(DFL_BLOCK_LOCKS, &ls->ls_recover_flags);
-		smp_mb__after_clear_bit();
+		smp_mb__after_atomic();
 		gfs2_glock_thaw(sdp);
 	} else {
 		ret = -EINVAL;
@@ -482,7 +482,7 @@
 		rv = jid = -EINVAL;
 	sdp->sd_lockstruct.ls_jid = jid;
 	clear_bit(SDF_NOJOURNALID, &sdp->sd_flags);
-	smp_mb__after_clear_bit();
+	smp_mb__after_atomic();
 	wake_up_bit(&sdp->sd_flags, SDF_NOJOURNALID);
 out:
 	spin_unlock(&sdp->sd_jindex_spin);