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
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
|
// -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
// vim: ts=8 sw=2 smarttab
#ifndef __CEPH_OSD_CHAIN_XATTR_H
#define __CEPH_OSD_CHAIN_XATTR_H
#include "common/xattr.h"
#include <errno.h>
#define CHAIN_XATTR_MAX_NAME_LEN 128
#define CHAIN_XATTR_MAX_BLOCK_LEN 2048
// wrappers to hide annoying errno handling.
static inline int sys_fgetxattr(int fd, const char *name, void *val, size_t size)
{
int r = ::ceph_os_fgetxattr(fd, name, val, size);
return (r < 0 ? -errno : r);
}
static inline int sys_getxattr(const char *fn, const char *name, void *val, size_t size)
{
int r = ::ceph_os_getxattr(fn, name, val, size);
return (r < 0 ? -errno : r);
}
static inline int sys_setxattr(const char *fn, const char *name, const void *val, size_t size)
{
int r = ::ceph_os_setxattr(fn, name, val, size);
return (r < 0 ? -errno : r);
}
static inline int sys_fsetxattr(int fd, const char *name, const void *val, size_t size)
{
int r = ::ceph_os_fsetxattr(fd, name, val, size);
return (r < 0 ? -errno : r);
}
static inline int sys_listxattr(const char *fn, char *names, size_t len)
{
int r = ::ceph_os_listxattr(fn, names, len);
return (r < 0 ? -errno : r);
}
static inline int sys_flistxattr(int fd, char *names, size_t len)
{
int r = ::ceph_os_flistxattr(fd, names, len);
return (r < 0 ? -errno : r);
}
static inline int sys_removexattr(const char *fn, const char *name)
{
int r = ::ceph_os_removexattr(fn, name);
return (r < 0 ? -errno : r);
}
static inline int sys_fremovexattr(int fd, const char *name)
{
int r = ::ceph_os_fremovexattr(fd, name);
return (r < 0 ? -errno : r);
}
// wrappers to chain large values across multiple xattrs
int chain_getxattr(const char *fn, const char *name, void *val, size_t size);
int chain_fgetxattr(int fd, const char *name, void *val, size_t size);
int chain_setxattr(const char *fn, const char *name, const void *val, size_t size);
int chain_fsetxattr(int fd, const char *name, const void *val, size_t size);
int chain_listxattr(const char *fn, char *names, size_t len);
int chain_flistxattr(int fd, char *names, size_t len);
int chain_removexattr(const char *fn, const char *name);
int chain_fremovexattr(int fd, const char *name);
#endif
|
