---

yaml
---
r: 23054
b: refs/heads/master
c: 0ac1759
h: refs/heads/master
v: v3

[refs]

@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 7cf34c761db8827818a27e23c50756f8b821a9b0
+refs/heads/master: 0ac1759abc69fb62438c30a7e422f628a1120d67

trunk/fs/seq_file.c

@@ -37,7 +37,7 @@ int seq_open(struct file *file, struct seq_operations *op)
 		file->private_data = p;
 	}
 	memset(p, 0, sizeof(*p));
-	sema_init(&p->sem, 1);
+	mutex_init(&p->lock);
 	p->op = op;
 
 	/*
@@ -71,7 +71,7 @@ ssize_t seq_read(struct file *file, char __user *buf, size_t size, loff_t *ppos)
 	void *p;
 	int err = 0;
 
-	down(&m->sem);
+	mutex_lock(&m->lock);
 	/*
 	 * seq_file->op->..m_start/m_stop/m_next may do special actions
 	 * or optimisations based on the file->f_version, so we want to
@@ -164,7 +164,7 @@ ssize_t seq_read(struct file *file, char __user *buf, size_t size, loff_t *ppos)
 	else
 		*ppos += copied;
 	file->f_version = m->version;
-	up(&m->sem);
+	mutex_unlock(&m->lock);
 	return copied;
 Enomem:
 	err = -ENOMEM;
@@ -237,7 +237,7 @@ loff_t seq_lseek(struct file *file, loff_t offset, int origin)
 	struct seq_file *m = (struct seq_file *)file->private_data;
 	long long retval = -EINVAL;
 
-	down(&m->sem);
+	mutex_lock(&m->lock);
 	m->version = file->f_version;
 	switch (origin) {
 		case 1:
@@ -260,7 +260,7 @@ loff_t seq_lseek(struct file *file, loff_t offset, int origin)
 				}
 			}
 	}
-	up(&m->sem);
+	mutex_unlock(&m->lock);
 	file->f_version = m->version;
 	return retval;
 }

trunk/include/linux/seq_file.h

@@ -4,7 +4,7 @@
 
 #include <linux/types.h>
 #include <linux/string.h>
-#include <asm/semaphore.h>
+#include <linux/mutex.h>
 
 struct seq_operations;
 struct file;
@@ -19,7 +19,7 @@ struct seq_file {
 	size_t count;
 	loff_t index;
 	loff_t version;
-	struct semaphore sem;
+	struct mutex lock;
 	struct seq_operations *op;
 	void *private;
 };