}
#endif
-/**
- * lib_ring_buffer_open - ring buffer open file operation
- * @inode: opened inode
- * @file: opened file
- *
- * Open implementation. Makes sure only one open instance of a buffer is
- * done at a given moment.
- */
-int lib_ring_buffer_open(struct inode *inode, struct file *file)
+int lib_ring_buffer_open(struct inode *inode, struct file *file,
+ struct lib_ring_buffer *buf)
{
- struct lib_ring_buffer *buf = inode->i_private;
int ret;
if (!buf)
if (ret)
return ret;
- file->private_data = buf;
ret = nonseekable_open(inode, file);
if (ret)
goto release_read;
lib_ring_buffer_release_read(buf);
return ret;
}
+EXPORT_SYMBOL_GPL(lib_ring_buffer_open);
/**
- * lib_ring_buffer_release - ring buffer release file operation
+ * vfs_lib_ring_buffer_open - ring buffer open file operation
* @inode: opened inode
* @file: opened file
*
- * Release implementation.
+ * Open implementation. Makes sure only one open instance of a buffer is
+ * done at a given moment.
*/
-int lib_ring_buffer_release(struct inode *inode, struct file *file)
+static
+int vfs_lib_ring_buffer_open(struct inode *inode, struct file *file)
{
- struct lib_ring_buffer *buf = file->private_data;
+ struct lib_ring_buffer *buf = inode->i_private;
+
+ file->private_data = buf;
+ return lib_ring_buffer_open(inode, file, buf);
+}
+int lib_ring_buffer_release(struct inode *inode, struct file *file,
+ struct lib_ring_buffer *buf)
+{
lib_ring_buffer_release_read(buf);
return 0;
}
+EXPORT_SYMBOL_GPL(lib_ring_buffer_release);
/**
- * lib_ring_buffer_poll - ring buffer poll file operation
- * @filp: the file
- * @wait: poll table
+ * vfs_lib_ring_buffer_release - ring buffer release file operation
+ * @inode: opened inode
+ * @file: opened file
*
- * Poll implementation.
+ * Release implementation.
*/
-unsigned int lib_ring_buffer_poll(struct file *filp, poll_table *wait)
+static
+int vfs_lib_ring_buffer_release(struct inode *inode, struct file *file)
+{
+ struct lib_ring_buffer *buf = file->private_data;
+
+ return lib_ring_buffer_release(inode, file, buf);
+}
+
+unsigned int lib_ring_buffer_poll(struct file *filp, poll_table *wait,
+ struct lib_ring_buffer *buf)
{
unsigned int mask = 0;
- struct lib_ring_buffer *buf = filp->private_data;
struct channel *chan = buf->backend.chan;
const struct lib_ring_buffer_config *config = &chan->backend.config;
int finalized, disabled;
}
return mask;
}
+EXPORT_SYMBOL_GPL(lib_ring_buffer_poll);
/**
- * lib_ring_buffer_ioctl - control ring buffer reader synchronization
- *
+ * vfs_lib_ring_buffer_poll - ring buffer poll file operation
* @filp: the file
- * @cmd: the command
- * @arg: command arg
+ * @wait: poll table
*
- * This ioctl implements commands necessary for producer/consumer
- * and flight recorder reader interaction :
- * RING_BUFFER_GET_NEXT_SUBBUF
- * Get the next sub-buffer that can be read. It never blocks.
- * RING_BUFFER_PUT_NEXT_SUBBUF
- * Release the currently read sub-buffer.
- * RING_BUFFER_GET_SUBBUF_SIZE
- * returns the size of the current sub-buffer.
- * RING_BUFFER_GET_MAX_SUBBUF_SIZE
- * returns the maximum size for sub-buffers.
- * RING_BUFFER_GET_NUM_SUBBUF
- * returns the number of reader-visible sub-buffers in the per cpu
- * channel (for mmap).
- * RING_BUFFER_GET_MMAP_READ_OFFSET
- * returns the offset of the subbuffer belonging to the reader.
- * Should only be used for mmap clients.
+ * Poll implementation.
*/
-long lib_ring_buffer_ioctl(struct file *filp, unsigned int cmd, unsigned long arg)
+static
+unsigned int vfs_lib_ring_buffer_poll(struct file *filp, poll_table *wait)
{
struct lib_ring_buffer *buf = filp->private_data;
+
+ return lib_ring_buffer_poll(filp, wait, buf);
+}
+
+long lib_ring_buffer_ioctl(struct file *filp, unsigned int cmd,
+ unsigned long arg, struct lib_ring_buffer *buf)
+{
struct channel *chan = buf->backend.chan;
const struct lib_ring_buffer_config *config = &chan->backend.config;
return -ENOIOCTLCMD;
}
}
+EXPORT_SYMBOL_GPL(lib_ring_buffer_ioctl);
+
+/**
+ * vfs_lib_ring_buffer_ioctl - control ring buffer reader synchronization
+ *
+ * @filp: the file
+ * @cmd: the command
+ * @arg: command arg
+ *
+ * This ioctl implements commands necessary for producer/consumer
+ * and flight recorder reader interaction :
+ * RING_BUFFER_GET_NEXT_SUBBUF
+ * Get the next sub-buffer that can be read. It never blocks.
+ * RING_BUFFER_PUT_NEXT_SUBBUF
+ * Release the currently read sub-buffer.
+ * RING_BUFFER_GET_SUBBUF_SIZE
+ * returns the size of the current sub-buffer.
+ * RING_BUFFER_GET_MAX_SUBBUF_SIZE
+ * returns the maximum size for sub-buffers.
+ * RING_BUFFER_GET_NUM_SUBBUF
+ * returns the number of reader-visible sub-buffers in the per cpu
+ * channel (for mmap).
+ * RING_BUFFER_GET_MMAP_READ_OFFSET
+ * returns the offset of the subbuffer belonging to the reader.
+ * Should only be used for mmap clients.
+ */
+static
+long vfs_lib_ring_buffer_ioctl(struct file *filp, unsigned int cmd, unsigned long arg)
+{
+ struct lib_ring_buffer *buf = filp->private_data;
+
+ return lib_ring_buffer_ioctl(filp, cmd, arg, buf);
+}
#ifdef CONFIG_COMPAT
long lib_ring_buffer_compat_ioctl(struct file *filp, unsigned int cmd,
- unsigned long arg)
+ unsigned long arg, struct lib_ring_buffer *buf)
{
- struct lib_ring_buffer *buf = filp->private_data;
struct channel *chan = buf->backend.chan;
const struct lib_ring_buffer_config *config = &chan->backend.config;
return -ENOIOCTLCMD;
}
}
+EXPORT_SYMBOL_GPL(lib_ring_buffer_compat_ioctl);
+
+static
+long vfs_lib_ring_buffer_compat_ioctl(struct file *filp, unsigned int cmd,
+ unsigned long arg)
+{
+ struct lib_ring_buffer *buf = filp->private_data;
+
+ return lib_ring_buffer_compat_ioctl(filp, cmd, arg, buf);
+}
#endif
const struct file_operations lib_ring_buffer_file_operations = {
.owner = THIS_MODULE,
- .open = lib_ring_buffer_open,
- .release = lib_ring_buffer_release,
- .poll = lib_ring_buffer_poll,
- .splice_read = lib_ring_buffer_splice_read,
- .mmap = lib_ring_buffer_mmap,
- .unlocked_ioctl = lib_ring_buffer_ioctl,
- .llseek = lib_ring_buffer_no_llseek,
+ .open = vfs_lib_ring_buffer_open,
+ .release = vfs_lib_ring_buffer_release,
+ .poll = vfs_lib_ring_buffer_poll,
+ .splice_read = vfs_lib_ring_buffer_splice_read,
+ .mmap = vfs_lib_ring_buffer_mmap,
+ .unlocked_ioctl = vfs_lib_ring_buffer_ioctl,
+ .llseek = vfs_lib_ring_buffer_no_llseek,
#ifdef CONFIG_COMPAT
- .compat_ioctl = lib_ring_buffer_compat_ioctl,
+ .compat_ioctl = vfs_lib_ring_buffer_compat_ioctl,
#endif
};
EXPORT_SYMBOL_GPL(lib_ring_buffer_file_operations);
projects / lttng-modules.git / blobdiff