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Diffstat (limited to 'kernel/relay.c')
-rw-r--r--kernel/relay.c16
1 files changed, 9 insertions, 7 deletions
diff --git a/kernel/relay.c b/kernel/relay.c
index f04bbdb56ac..818e514729c 100644
--- a/kernel/relay.c
+++ b/kernel/relay.c
@@ -308,9 +308,10 @@ static struct rchan_callbacks default_channel_callbacks = {
* reason waking is deferred is that calling directly from write
* causes problems if you're writing from say the scheduler.
*/
-static void wakeup_readers(void *private)
+static void wakeup_readers(struct work_struct *work)
{
- struct rchan_buf *buf = private;
+ struct rchan_buf *buf =
+ container_of(work, struct rchan_buf, wake_readers.work);
wake_up_interruptible(&buf->read_wait);
}
@@ -328,7 +329,7 @@ static inline void __relay_reset(struct rchan_buf *buf, unsigned int init)
if (init) {
init_waitqueue_head(&buf->read_wait);
kref_init(&buf->kref);
- INIT_WORK(&buf->wake_readers, NULL, NULL);
+ INIT_DELAYED_WORK(&buf->wake_readers, NULL);
} else {
cancel_delayed_work(&buf->wake_readers);
flush_scheduled_work();
@@ -549,7 +550,8 @@ size_t relay_switch_subbuf(struct rchan_buf *buf, size_t length)
buf->padding[old_subbuf];
smp_mb();
if (waitqueue_active(&buf->read_wait)) {
- PREPARE_WORK(&buf->wake_readers, wakeup_readers, buf);
+ PREPARE_DELAYED_WORK(&buf->wake_readers,
+ wakeup_readers);
schedule_delayed_work(&buf->wake_readers, 1);
}
}
@@ -957,7 +959,7 @@ static inline ssize_t relay_file_read_subbufs(struct file *filp,
if (!desc->count)
return 0;
- mutex_lock(&filp->f_dentry->d_inode->i_mutex);
+ mutex_lock(&filp->f_path.dentry->d_inode->i_mutex);
do {
if (!relay_file_read_avail(buf, *ppos))
break;
@@ -977,7 +979,7 @@ static inline ssize_t relay_file_read_subbufs(struct file *filp,
*ppos = relay_file_read_end_pos(buf, read_start, ret);
}
} while (desc->count && ret);
- mutex_unlock(&filp->f_dentry->d_inode->i_mutex);
+ mutex_unlock(&filp->f_path.dentry->d_inode->i_mutex);
return desc->written;
}
@@ -1011,7 +1013,7 @@ static ssize_t relay_file_sendfile(struct file *filp,
actor, &desc);
}
-struct file_operations relay_file_operations = {
+const struct file_operations relay_file_operations = {
.open = relay_file_open,
.poll = relay_file_poll,
.mmap = relay_file_mmap,