7 files changed, 14 insertions, 30 deletions
diff --git a/drivers/md/dm-crypt.c b/drivers/md/dm-crypt.c
index c8827ffd85b..bae6c4e23d3 100644
--- a/drivers/md/dm-crypt.c
+++ b/drivers/md/dm-crypt.c
@@ -19,7 +19,7 @@
 #include <linux/workqueue.h>
 #include <linux/backing-dev.h>
 #include <linux/percpu.h>
-#include <asm/atomic.h>
+#include <linux/atomic.h>
 #include <linux/scatterlist.h>
 #include <asm/page.h>
 #include <asm/unaligned.h>
diff --git a/drivers/md/dm-kcopyd.c b/drivers/md/dm-kcopyd.c
index 819e37eaaeb..320401dec10 100644
--- a/drivers/md/dm-kcopyd.c
+++ b/drivers/md/dm-kcopyd.c
@@ -10,7 +10,7 @@
  */
 
 #include <linux/types.h>
-#include <asm/atomic.h>
+#include <linux/atomic.h>
 #include <linux/blkdev.h>
 #include <linux/fs.h>
 #include <linux/init.h>
diff --git a/drivers/md/dm-mpath.c b/drivers/md/dm-mpath.c
index aa4e570c2cb..c3547016f0f 100644
--- a/drivers/md/dm-mpath.c
+++ b/drivers/md/dm-mpath.c
@@ -19,7 +19,7 @@
 #include <linux/time.h>
 #include <linux/workqueue.h>
 #include <scsi/scsi_dh.h>
-#include <asm/atomic.h>
+#include <linux/atomic.h>
 
 #define DM_MSG_PREFIX "multipath"
 #define MESG_STR(x) x, sizeof(x)
diff --git a/drivers/md/dm-queue-length.c b/drivers/md/dm-queue-length.c
index f92b6cea9d9..03a837aa5ce 100644
--- a/drivers/md/dm-queue-length.c
+++ b/drivers/md/dm-queue-length.c
@@ -20,7 +20,7 @@
 #include <linux/ctype.h>
 #include <linux/errno.h>
 #include <linux/module.h>
-#include <asm/atomic.h>
+#include <linux/atomic.h>
 
 #define DM_MSG_PREFIX	"multipath queue-length"
 #define QL_MIN_IO	128
diff --git a/drivers/md/dm-table.c b/drivers/md/dm-table.c
index 451c3bb176d..bfe9c2333ce 100644
--- a/drivers/md/dm-table.c
+++ b/drivers/md/dm-table.c
@@ -17,7 +17,7 @@
 #include <linux/interrupt.h>
 #include <linux/mutex.h>
 #include <linux/delay.h>
-#include <asm/atomic.h>
+#include <linux/atomic.h>
 
 #define DM_MSG_PREFIX "table"
 
diff --git a/drivers/md/linear.c b/drivers/md/linear.c
index abfb59a61ed..6cd2c313e80 100644
--- a/drivers/md/linear.c
+++ b/drivers/md/linear.c
@@ -213,12 +213,6 @@ static int linear_run (mddev_t *mddev)
 	return md_integrity_register(mddev);
 }
 
-static void free_conf(struct rcu_head *head)
-{
-	linear_conf_t *conf = container_of(head, linear_conf_t, rcu);
-	kfree(conf);
-}
-
 static int linear_add(mddev_t *mddev, mdk_rdev_t *rdev)
 {
 	/* Adding a drive to a linear array allows the array to grow.
@@ -247,7 +241,7 @@ static int linear_add(mddev_t *mddev, mdk_rdev_t *rdev)
 	md_set_array_sectors(mddev, linear_size(mddev, 0, 0));
 	set_capacity(mddev->gendisk, mddev->array_sectors);
 	revalidate_disk(mddev->gendisk);
-	call_rcu(&oldconf->rcu, free_conf);
+	kfree_rcu(oldconf, rcu);
 	return 0;
 }
 
diff --git a/drivers/md/md.c b/drivers/md/md.c
index d97a6253479..8e221a20f5d 100644
--- a/drivers/md/md.c
+++ b/drivers/md/md.c
@@ -6616,16 +6616,11 @@ static void md_seq_stop(struct seq_file *seq, void *v)
 		mddev_put(mddev);
 }
 
-struct mdstat_info {
-	int event;
-};
-
 static int md_seq_show(struct seq_file *seq, void *v)
 {
 	mddev_t *mddev = v;
 	sector_t sectors;
 	mdk_rdev_t *rdev;
-	struct mdstat_info *mi = seq->private;
 	struct bitmap *bitmap;
 
 	if (v == (void*)1) {
@@ -6637,7 +6632,7 @@ static int md_seq_show(struct seq_file *seq, void *v)
 
 		spin_unlock(&pers_lock);
 		seq_printf(seq, "\n");
-		mi->event = atomic_read(&md_event_count);
+		seq->poll_event = atomic_read(&md_event_count);
 		return 0;
 	}
 	if (v == (void*)2) {
@@ -6749,26 +6744,21 @@ static const struct seq_operations md_seq_ops = {
 
 static int md_seq_open(struct inode *inode, struct file *file)
 {
+	struct seq_file *seq;
 	int error;
-	struct mdstat_info *mi = kmalloc(sizeof(*mi), GFP_KERNEL);
-	if (mi == NULL)
-		return -ENOMEM;
 
 	error = seq_open(file, &md_seq_ops);
 	if (error)
-		kfree(mi);
-	else {
-		struct seq_file *p = file->private_data;
-		p->private = mi;
-		mi->event = atomic_read(&md_event_count);
-	}
+		return error;
+
+	seq = file->private_data;
+	seq->poll_event = atomic_read(&md_event_count);
 	return error;
 }
 
 static unsigned int mdstat_poll(struct file *filp, poll_table *wait)
 {
-	struct seq_file *m = filp->private_data;
-	struct mdstat_info *mi = m->private;
+	struct seq_file *seq = filp->private_data;
 	int mask;
 
 	poll_wait(filp, &md_event_waiters, wait);
@@ -6776,7 +6766,7 @@ static unsigned int mdstat_poll(struct file *filp, poll_table *wait)
 	/* always allow read */
 	mask = POLLIN | POLLRDNORM;
 
-	if (mi->event != atomic_read(&md_event_count))
+	if (seq->poll_event != atomic_read(&md_event_count))
 		mask |= POLLERR | POLLPRI;
 	return mask;
 }