[Bluetooth] Add hci_recv_fragment() helper function

[pandora-kernel.git] / fs / seq_file.c

diff --git a/fs/seq_file.c b/fs/seq_file.c
index 7c40570..0ac22af 100644 (file)
--- a/fs/seq_file.c
+++ b/fs/seq_file.c
@@ -26,7 +26,7 @@
  *     ERR_PTR(error).  In the end of sequence they return %NULL. ->show()
  *     returns 0 in case of success and negative number in case of error.
  */
-int seq_open(struct file *file, struct seq_operations *op)
+int seq_open(struct file *file, const struct seq_operations *op)
 {
        struct seq_file *p = file->private_data;
 
@@ -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 @@ Done:
        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;
 }
@@ -269,7 +269,7 @@ EXPORT_SYMBOL(seq_lseek);
 /**
  *     seq_release -   free the structures associated with sequential file.
  *     @file: file in question
- *     @inode: file->f_dentry->d_inode
+ *     @inode: file->f_path.dentry->d_inode
  *
  *     Frees the structures associated with sequential file; can be used
  *     as ->f_op->release() if you don't have private data to destroy.
@@ -408,7 +408,7 @@ EXPORT_SYMBOL(single_open);
 
 int single_release(struct inode *inode, struct file *file)
 {
-       struct seq_operations *op = ((struct seq_file *)file->private_data)->op;
+       const struct seq_operations *op = ((struct seq_file *)file->private_data)->op;
        int res = seq_release(inode, file);
        kfree(op);
        return res;