aboutsummaryrefslogtreecommitdiffstats
path: root/drivers/md/dm-kcopyd.c
diff options
context:
space:
mode:
authorIngo Molnar <mingo@elte.hu>2008-10-27 10:50:54 +0100
committerIngo Molnar <mingo@elte.hu>2008-10-27 10:50:54 +0100
commit4944dd62de21230af039eda7cd218e9a09021d11 (patch)
treebac70f7bab8506c7e1b0408bacbdb0b1d77262e9 /drivers/md/dm-kcopyd.c
parentf17845e5d97ead8fbdadfd40039e058ec7cf4a42 (diff)
parent0173a3265b228da319ceb9c1ec6a5682fd1b2d92 (diff)
downloadkernel_replicant_linux-4944dd62de21230af039eda7cd218e9a09021d11.tar.gz
kernel_replicant_linux-4944dd62de21230af039eda7cd218e9a09021d11.tar.bz2
kernel_replicant_linux-4944dd62de21230af039eda7cd218e9a09021d11.zip
Merge commit 'v2.6.28-rc2' into tracing/urgent
Diffstat (limited to 'drivers/md/dm-kcopyd.c')
-rw-r--r--drivers/md/dm-kcopyd.c14
1 files changed, 13 insertions, 1 deletions
diff --git a/drivers/md/dm-kcopyd.c b/drivers/md/dm-kcopyd.c
index 996802b8a452..3073618269ea 100644
--- a/drivers/md/dm-kcopyd.c
+++ b/drivers/md/dm-kcopyd.c
@@ -22,6 +22,7 @@
#include <linux/vmalloc.h>
#include <linux/workqueue.h>
#include <linux/mutex.h>
+#include <linux/device-mapper.h>
#include <linux/dm-kcopyd.h>
#include "dm.h"
@@ -268,6 +269,17 @@ static void push(struct list_head *jobs, struct kcopyd_job *job)
spin_unlock_irqrestore(&kc->job_lock, flags);
}
+
+static void push_head(struct list_head *jobs, struct kcopyd_job *job)
+{
+ unsigned long flags;
+ struct dm_kcopyd_client *kc = job->kc;
+
+ spin_lock_irqsave(&kc->job_lock, flags);
+ list_add(&job->list, jobs);
+ spin_unlock_irqrestore(&kc->job_lock, flags);
+}
+
/*
* These three functions process 1 item from the corresponding
* job list.
@@ -398,7 +410,7 @@ static int process_jobs(struct list_head *jobs, struct dm_kcopyd_client *kc,
* We couldn't service this job ATM, so
* push this job back onto the list.
*/
- push(jobs, job);
+ push_head(jobs, job);
break;
}