Something went wrong. Try again.
(I'm so sorry!) Linux kernel mirror (for testing) git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel os linux
Something went wrong. Try again.
12345678910111213141516171819202122232425262728293031323334353637383940414243444546474849505152535455565758596061/* 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 list_head head; void *mapped_tail; size_t length; size_t room; struct list_head free_list; size_t num_pages_free; refcount_t refcnt;};
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);
static inline int ceph_pagelist_encode_64(struct ceph_pagelist *pl, u64 v){ __le64 ev = cpu_to_le64(v); return ceph_pagelist_append(pl, &ev, sizeof(ev));}static inline int ceph_pagelist_encode_32(struct ceph_pagelist *pl, u32 v){ __le32 ev = cpu_to_le32(v); return ceph_pagelist_append(pl, &ev, sizeof(ev));}static inline int ceph_pagelist_encode_16(struct ceph_pagelist *pl, u16 v){ __le16 ev = cpu_to_le16(v); return ceph_pagelist_append(pl, &ev, sizeof(ev));}static inline int ceph_pagelist_encode_8(struct ceph_pagelist *pl, u8 v){ return ceph_pagelist_append(pl, &v, 1);}static inline int ceph_pagelist_encode_string(struct ceph_pagelist *pl, char *s, u32 len){ int ret = ceph_pagelist_encode_32(pl, len); if (ret) return ret; if (len) return ceph_pagelist_append(pl, s, len); return 0;}
#endif