Contributors: 10
| Author |
Tokens |
Token Proportion |
Commits |
Commit Proportion |
| Mark Fasheh |
209 |
67.86% |
3 |
23.08% |
| Jan Kara |
22 |
7.14% |
2 |
15.38% |
| Tiger Yang |
16 |
5.19% |
1 |
7.69% |
| Tao Ma |
16 |
5.19% |
1 |
7.69% |
| Srinivas Eeda |
16 |
5.19% |
1 |
7.69% |
| Gang He |
16 |
5.19% |
1 |
7.69% |
| Wengang Wang |
10 |
3.25% |
1 |
7.69% |
| Masahiro Yamada |
1 |
0.32% |
1 |
7.69% |
| Thomas Gleixner |
1 |
0.32% |
1 |
7.69% |
| Joel Becker |
1 |
0.32% |
1 |
7.69% |
| Total |
308 |
|
13 |
|
/* SPDX-License-Identifier: GPL-2.0-or-later */
/*
* ocfs2_lockid.h
*
* Defines OCFS2 lockid bits.
*
* Copyright (C) 2002, 2005 Oracle. All rights reserved.
*/
#ifndef OCFS2_LOCKID_H
#define OCFS2_LOCKID_H
/* lock ids are made up in the following manner:
* name[0] --> type
* name[1-6] --> 6 pad characters, reserved for now
* name[7-22] --> block number, expressed in hex as 16 chars
* name[23-30] --> i_generation, expressed in hex 8 chars
* name[31] --> '\0' */
#define OCFS2_LOCK_ID_MAX_LEN 32
#define OCFS2_LOCK_ID_PAD "000000"
#define OCFS2_DENTRY_LOCK_INO_START 18
enum ocfs2_lock_type {
OCFS2_LOCK_TYPE_META = 0,
OCFS2_LOCK_TYPE_DATA,
OCFS2_LOCK_TYPE_SUPER,
OCFS2_LOCK_TYPE_RENAME,
OCFS2_LOCK_TYPE_RW,
OCFS2_LOCK_TYPE_DENTRY,
OCFS2_LOCK_TYPE_OPEN,
OCFS2_LOCK_TYPE_FLOCK,
OCFS2_LOCK_TYPE_QINFO,
OCFS2_LOCK_TYPE_NFS_SYNC,
OCFS2_LOCK_TYPE_ORPHAN_SCAN,
OCFS2_LOCK_TYPE_REFCOUNT,
OCFS2_LOCK_TYPE_TRIM_FS,
OCFS2_NUM_LOCK_TYPES
};
static inline char ocfs2_lock_type_char(enum ocfs2_lock_type type)
{
char c;
switch (type) {
case OCFS2_LOCK_TYPE_META:
c = 'M';
break;
case OCFS2_LOCK_TYPE_DATA:
c = 'D';
break;
case OCFS2_LOCK_TYPE_SUPER:
c = 'S';
break;
case OCFS2_LOCK_TYPE_RENAME:
c = 'R';
break;
case OCFS2_LOCK_TYPE_RW:
c = 'W';
break;
case OCFS2_LOCK_TYPE_DENTRY:
c = 'N';
break;
case OCFS2_LOCK_TYPE_OPEN:
c = 'O';
break;
case OCFS2_LOCK_TYPE_FLOCK:
c = 'F';
break;
case OCFS2_LOCK_TYPE_QINFO:
c = 'Q';
break;
case OCFS2_LOCK_TYPE_NFS_SYNC:
c = 'Y';
break;
case OCFS2_LOCK_TYPE_ORPHAN_SCAN:
c = 'P';
break;
case OCFS2_LOCK_TYPE_REFCOUNT:
c = 'T';
break;
case OCFS2_LOCK_TYPE_TRIM_FS:
c = 'I';
break;
default:
c = '\0';
}
return c;
}
static char *ocfs2_lock_type_strings[] = {
[OCFS2_LOCK_TYPE_META] = "Meta",
[OCFS2_LOCK_TYPE_DATA] = "Data",
[OCFS2_LOCK_TYPE_SUPER] = "Super",
[OCFS2_LOCK_TYPE_RENAME] = "Rename",
/* Need to differntiate from [R]ename.. serializing writes is the
* important job it does, anyway. */
[OCFS2_LOCK_TYPE_RW] = "Write/Read",
[OCFS2_LOCK_TYPE_DENTRY] = "Dentry",
[OCFS2_LOCK_TYPE_OPEN] = "Open",
[OCFS2_LOCK_TYPE_FLOCK] = "Flock",
[OCFS2_LOCK_TYPE_QINFO] = "Quota",
[OCFS2_LOCK_TYPE_NFS_SYNC] = "NFSSync",
[OCFS2_LOCK_TYPE_ORPHAN_SCAN] = "OrphanScan",
[OCFS2_LOCK_TYPE_REFCOUNT] = "Refcount",
[OCFS2_LOCK_TYPE_TRIM_FS] = "TrimFs",
};
static inline const char *ocfs2_lock_type_string(enum ocfs2_lock_type type)
{
#ifdef __KERNEL__
BUG_ON(type >= OCFS2_NUM_LOCK_TYPES);
#endif
return ocfs2_lock_type_strings[type];
}
#endif /* OCFS2_LOCKID_H */