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Commit 08cbf542 authored by Tejun Heo's avatar Tejun Heo Committed by Miklos Szeredi
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fuse: export symbols to be used by CUSE 



Export the following symbols for CUSE.

fuse_conn_put()
fuse_conn_get()
fuse_conn_kill()
fuse_send_init()
fuse_do_open()
fuse_sync_release()
fuse_direct_io()
fuse_do_ioctl()
fuse_file_poll()
fuse_request_alloc()
fuse_get_req()
fuse_put_request()
fuse_request_send()
fuse_abort_conn()
fuse_dev_release()
fuse_dev_operations

Signed-off-by: default avatarTejun Heo <tj@kernel.org>
Signed-off-by: default avatarMiklos Szeredi <mszeredi@suse.cz>
parent a325f9b9

fs/fuse/dev.c

+9 −1
Original line number Diff line number Diff line
@@ -46,6 +46,7 @@ struct fuse_req *fuse_request_alloc(void) 
		fuse_request_init(req);

	return req;

}

EXPORT_SYMBOL_GPL(fuse_request_alloc);



struct fuse_req *fuse_request_alloc_nofs(void)

{
@@ -124,6 +125,7 @@ struct fuse_req *fuse_get_req(struct fuse_conn *fc) 
	atomic_dec(&fc->num_waiting);

	return ERR_PTR(err);

}

EXPORT_SYMBOL_GPL(fuse_get_req);



/*

 * Return request in fuse_file->reserved_req.  However that may
@@ -208,6 +210,7 @@ void fuse_put_request(struct fuse_conn *fc, struct fuse_req *req) 
			fuse_request_free(req);

	}

}

EXPORT_SYMBOL_GPL(fuse_put_request);



static unsigned len_args(unsigned numargs, struct fuse_arg *args)

{
@@ -400,6 +403,7 @@ void fuse_request_send(struct fuse_conn *fc, struct fuse_req *req) 
	}

	spin_unlock(&fc->lock);

}

EXPORT_SYMBOL_GPL(fuse_request_send);



static void fuse_request_send_nowait_locked(struct fuse_conn *fc,

					    struct fuse_req *req)
@@ -440,6 +444,7 @@ void fuse_request_send_background(struct fuse_conn *fc, struct fuse_req *req) 
	req->isreply = 1;

	fuse_request_send_nowait(fc, req);

}

EXPORT_SYMBOL_GPL(fuse_request_send_background);



/*

 * Called under fc->lock
@@ -1106,8 +1111,9 @@ void fuse_abort_conn(struct fuse_conn *fc) 
	}

	spin_unlock(&fc->lock);

}

EXPORT_SYMBOL_GPL(fuse_abort_conn);



static int fuse_dev_release(struct inode *inode, struct file *file)

int fuse_dev_release(struct inode *inode, struct file *file)

{

	struct fuse_conn *fc = fuse_get_conn(file);

	if (fc) {
@@ -1121,6 +1127,7 @@ static int fuse_dev_release(struct inode *inode, struct file *file) 


	return 0;

}

EXPORT_SYMBOL_GPL(fuse_dev_release);



static int fuse_dev_fasync(int fd, struct file *file, int on)

{
@@ -1143,6 +1150,7 @@ const struct file_operations fuse_dev_operations = { 
	.release	= fuse_dev_release,

	.fasync		= fuse_dev_fasync,

};

EXPORT_SYMBOL_GPL(fuse_dev_operations);



static struct miscdevice fuse_miscdevice = {

	.minor = FUSE_MINOR,

fs/fuse/file.c

+13 −7
Original line number Diff line number Diff line
@@ -12,6 +12,7 @@ 
#include <linux/slab.h>

#include <linux/kernel.h>

#include <linux/sched.h>

#include <linux/module.h>



static const struct file_operations fuse_direct_io_file_operations;
@@ -100,7 +101,7 @@ static void fuse_file_put(struct fuse_file *ff) 
	}

}



static int fuse_do_open(struct fuse_conn *fc, u64 nodeid, struct file *file,

int fuse_do_open(struct fuse_conn *fc, u64 nodeid, struct file *file,

		 bool isdir)

{

	struct fuse_open_out outarg;
@@ -128,6 +129,7 @@ static int fuse_do_open(struct fuse_conn *fc, u64 nodeid, struct file *file, 


	return 0;

}

EXPORT_SYMBOL_GPL(fuse_do_open);



void fuse_finish_open(struct inode *inode, struct file *file)

{
@@ -232,6 +234,7 @@ void fuse_sync_release(struct fuse_file *ff, int flags) 
	fuse_put_request(ff->fc, ff->reserved_req);

	kfree(ff);

}

EXPORT_SYMBOL_GPL(fuse_sync_release);



/*

 * Scramble the ID space with XTEA, so that the value of the files_struct
@@ -1009,7 +1012,7 @@ static int fuse_get_user_pages(struct fuse_req *req, const char __user *buf, 
	return 0;

}



static ssize_t fuse_direct_io(struct file *file, const char __user *buf,

ssize_t fuse_direct_io(struct file *file, const char __user *buf,

		       size_t count, loff_t *ppos, int write)

{

	struct fuse_file *ff = file->private_data;
@@ -1066,6 +1069,7 @@ static ssize_t fuse_direct_io(struct file *file, const char __user *buf, 


	return res;

}

EXPORT_SYMBOL_GPL(fuse_direct_io);



static ssize_t fuse_direct_read(struct file *file, char __user *buf,

				     size_t count, loff_t *ppos)
@@ -1647,8 +1651,8 @@ static int fuse_ioctl_copy_user(struct page **pages, struct iovec *iov, 
 * limits ioctl data transfers to well-formed ioctls and is the forced

 * behavior for all FUSE servers.

 */

static long fuse_do_ioctl(struct file *file, unsigned int cmd,

			  unsigned long arg, unsigned int flags)

long fuse_do_ioctl(struct file *file, unsigned int cmd, unsigned long arg,

		   unsigned int flags)

{

	struct fuse_file *ff = file->private_data;

	struct fuse_conn *fc = ff->fc;
@@ -1813,6 +1817,7 @@ static long fuse_do_ioctl(struct file *file, unsigned int cmd, 


	return err ? err : outarg.result;

}

EXPORT_SYMBOL_GPL(fuse_do_ioctl);



static long fuse_file_ioctl_common(struct file *file, unsigned int cmd,

				   unsigned long arg, unsigned int flags)
@@ -1892,7 +1897,7 @@ static void fuse_register_polled_file(struct fuse_conn *fc, 
	spin_unlock(&fc->lock);

}



static unsigned fuse_file_poll(struct file *file, poll_table *wait)

unsigned fuse_file_poll(struct file *file, poll_table *wait)

{

	struct fuse_file *ff = file->private_data;

	struct fuse_conn *fc = ff->fc;
@@ -1939,6 +1944,7 @@ static unsigned fuse_file_poll(struct file *file, poll_table *wait) 
	}

	return POLLERR;

}

EXPORT_SYMBOL_GPL(fuse_file_poll);



/*

 * This is called from fuse_handle_notify() on FUSE_NOTIFY_POLL and

fs/fuse/fuse_i.h

+13 −0
Original line number Diff line number Diff line
@@ -261,6 +261,8 @@ struct fuse_req { 
		} release;

		struct fuse_init_in init_in;

		struct fuse_init_out init_out;

		struct cuse_init_in cuse_init_in;

		struct cuse_init_out cuse_init_out;

		struct {

			struct fuse_read_in in;

			u64 attr_ver;
@@ -662,6 +664,8 @@ void fuse_invalidate_entry_cache(struct dentry *entry); 
 */

struct fuse_conn *fuse_conn_get(struct fuse_conn *fc);



void fuse_conn_kill(struct fuse_conn *fc);



/**

 * Initialize fuse_conn

 */
@@ -704,4 +708,13 @@ void fuse_release_nowrite(struct inode *inode); 


u64 fuse_get_attr_version(struct fuse_conn *fc);



int fuse_do_open(struct fuse_conn *fc, u64 nodeid, struct file *file,

		 bool isdir);

ssize_t fuse_direct_io(struct file *file, const char __user *buf,

		       size_t count, loff_t *ppos, int write);

long fuse_do_ioctl(struct file *file, unsigned int cmd, unsigned long arg,

		   unsigned int flags);

unsigned fuse_file_poll(struct file *file, poll_table *wait);

int fuse_dev_release(struct inode *inode, struct file *file);



#endif /* _FS_FUSE_I_H */

fs/fuse/inode.c

+4 −1
Original line number Diff line number Diff line
@@ -280,7 +280,7 @@ static void fuse_bdi_destroy(struct fuse_conn *fc) 
		bdi_destroy(&fc->bdi);

}



static void fuse_conn_kill(struct fuse_conn *fc)

void fuse_conn_kill(struct fuse_conn *fc)

{

	spin_lock(&fc->lock);

	fc->connected = 0;
@@ -297,6 +297,7 @@ static void fuse_conn_kill(struct fuse_conn *fc) 
	mutex_unlock(&fuse_mutex);

	fuse_bdi_destroy(fc);

}

EXPORT_SYMBOL_GPL(fuse_conn_kill);



static void fuse_put_super(struct super_block *sb)

{
@@ -508,12 +509,14 @@ void fuse_conn_put(struct fuse_conn *fc) 
		fc->release(fc);

	}

}

EXPORT_SYMBOL_GPL(fuse_conn_put);



struct fuse_conn *fuse_conn_get(struct fuse_conn *fc)

{

	atomic_inc(&fc->count);

	return fc;

}

EXPORT_SYMBOL_GPL(fuse_conn_get);



static struct inode *fuse_get_root_inode(struct super_block *sb, unsigned mode)

{