Contributors: 7
| Author |
Tokens |
Token Proportion |
Commits |
Commit Proportion |
| Sage Weil |
266 |
88.67% |
2 |
20.00% |
| Greg Farnum |
15 |
5.00% |
1 |
10.00% |
| Ilya Dryomov |
8 |
2.67% |
3 |
30.00% |
| Yan Zheng |
7 |
2.33% |
1 |
10.00% |
| Elena Reshetova |
2 |
0.67% |
1 |
10.00% |
| Yehuda Sadeh Weinraub |
1 |
0.33% |
1 |
10.00% |
| Greg Kroah-Hartman |
1 |
0.33% |
1 |
10.00% |
| Total |
300 |
|
10 |
|
/* 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