linux/include/linux/ceph/pagelist.h

/* SPDX-License-Identifier: GPL-2.0 */
#ifndef __FS_CEPH_PAGELIST_H
#define __FS_CEPH_PAGELIST_H

#include <asm/byteorder.h>
#include <linux/refcount.h>
#include <linux/list.h>
#include <linux/types.h>

struct ceph_pagelist { … };

struct ceph_pagelist_cursor { … };

struct ceph_pagelist *ceph_pagelist_alloc(gfp_t gfp_flags);

extern void ceph_pagelist_release(struct ceph_pagelist *pl);

extern int ceph_pagelist_append(struct ceph_pagelist *pl, const void *d, size_t l);

extern int ceph_pagelist_reserve(struct ceph_pagelist *pl, size_t space);

extern int ceph_pagelist_free_reserve(struct ceph_pagelist *pl);

extern void ceph_pagelist_set_cursor(struct ceph_pagelist *pl,
				     struct ceph_pagelist_cursor *c);

extern int ceph_pagelist_truncate(struct ceph_pagelist *pl,
				  struct ceph_pagelist_cursor *c);

static inline int ceph_pagelist_encode_64(struct ceph_pagelist *pl, u64 v)
{ … }
static inline int ceph_pagelist_encode_32(struct ceph_pagelist *pl, u32 v)
{ … }
static inline int ceph_pagelist_encode_16(struct ceph_pagelist *pl, u16 v)
{ … }
static inline int ceph_pagelist_encode_8(struct ceph_pagelist *pl, u8 v)
{ … }
static inline int ceph_pagelist_encode_string(struct ceph_pagelist *pl,
					      char *s, u32 len)
{ … }

#endif