FilesExpand file tree

 master

/

buffer.h

Copy path

Blame

More file actions

Blame

More file actions

Latest commit

 

History

History

History

38 lines (31 loc) · 824 Bytes

 master

/

buffer.h

Copy path

Top

File metadata and controls

• Code
• Blame

38 lines (31 loc) · 824 Bytes

Raw

Copy raw file

Download raw file

Open symbols panel

Edit and raw actions

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

26

27

28

29

30

31

32

33

34

35

36

37

38

/* SPDX-License-Identifier: GPL-2.0 */

#ifndef __FS_CEPH_BUFFER_H

#define __FS_CEPH_BUFFER_H

#include <linux/kref.h>

#include <linux/mm.h>

#include <linux/vmalloc.h>

#include <linux/types.h>

#include <linux/uio.h>

/*

* a simple reference counted buffer.

*

* use kmalloc for smaller sizes, vmalloc for larger sizes.

*/

struct ceph_buffer {

struct kref kref;

struct kvec vec;

size_t alloc_len;

};

extern struct ceph_buffer *ceph_buffer_new(size_t len, gfp_t gfp);

extern void ceph_buffer_release(struct kref *kref);

static inline struct ceph_buffer *ceph_buffer_get(struct ceph_buffer *b)

{

kref_get(&b->kref);

return b;

}

static inline void ceph_buffer_put(struct ceph_buffer *b)

{

kref_put(&b->kref, ceph_buffer_release);

}

extern int ceph_decode_buffer(struct ceph_buffer **b, void **p, void *end);

#endif