[linux-block.git] / fs / relayfs / buffers.h

#ifndef _BUFFERS_H
#define _BUFFERS_H

/* This inspired by rtai/shmem */
#define FIX_SIZE(x) (((x) - 1) & PAGE_MASK) + PAGE_SIZE

extern int relay_mmap_buf(struct rchan_buf *buf, struct vm_area_struct *vma);
extern struct rchan_buf *relay_create_buf(struct rchan *chan);
extern void relay_destroy_buf(struct rchan_buf *buf);
extern void relay_remove_buf(struct kref *kref);

#endif/* _BUFFERS_H */
Commit	Line	Data
e82894f8 TZ	1	#ifndef _BUFFERS_H
	2	#define _BUFFERS_H
	3
	4	/* This inspired by rtai/shmem */
	5	#define FIX_SIZE(x) (((x) - 1) & PAGE_MASK) + PAGE_SIZE
	6
	7	extern int relay_mmap_buf(struct rchan_buf buf, struct vm_area_struct vma);
	8	extern struct rchan_buf relay_create_buf(struct rchan chan);
	9	extern void relay_destroy_buf(struct rchan_buf *buf);
	10	extern void relay_remove_buf(struct kref *kref);
	11
	12	#endif/* _BUFFERS_H */