Blame view
fs/ocfs2/dlmglue.h
6.74 KB
328970de0 treewide: Replace... |
1 |
/* SPDX-License-Identifier: GPL-2.0-or-later */ |
ccd979bdb [PATCH] OCFS2: Th... |
2 3 4 5 6 7 8 9 |
/* -*- mode: c; c-basic-offset: 8; -*- * vim: noexpandtab sw=8 ts=8 sts=0: * * dlmglue.h * * description here * * Copyright (C) 2002, 2004 Oracle. All rights reserved. |
ccd979bdb [PATCH] OCFS2: Th... |
10 11 12 13 14 |
*/ #ifndef DLMGLUE_H #define DLMGLUE_H |
d680efe9d ocfs2: Add new cl... |
15 |
#include "dcache.h" |
15b1e36bd ocfs2: Structure ... |
16 |
#define OCFS2_LVB_VERSION 5 |
ccd979bdb [PATCH] OCFS2: Th... |
17 18 |
struct ocfs2_meta_lvb { |
4d3b83f73 ocfs2: Free up so... |
19 |
__u8 lvb_version; |
24c19ef40 ocfs2: Remove i_g... |
20 |
__u8 lvb_reserved0; |
15b1e36bd ocfs2: Structure ... |
21 |
__be16 lvb_idynfeatures; |
ccd979bdb [PATCH] OCFS2: Th... |
22 23 24 25 26 27 28 29 30 |
__be32 lvb_iclusters; __be32 lvb_iuid; __be32 lvb_igid; __be64 lvb_iatime_packed; __be64 lvb_ictime_packed; __be64 lvb_imtime_packed; __be64 lvb_isize; __be16 lvb_imode; __be16 lvb_inlink; |
ca4d147e6 ocfs2: add ext2 a... |
31 |
__be32 lvb_iattr; |
f9e2d82e6 ocfs2: Encode i_g... |
32 33 |
__be32 lvb_igeneration; __be32 lvb_reserved2; |
ccd979bdb [PATCH] OCFS2: Th... |
34 |
}; |
9e33d69f5 ocfs2: Implementa... |
35 36 37 38 39 40 41 42 43 44 45 46 |
#define OCFS2_QINFO_LVB_VERSION 1 struct ocfs2_qinfo_lvb { __u8 lvb_version; __u8 lvb_reserved[3]; __be32 lvb_bgrace; __be32 lvb_igrace; __be32 lvb_syncms; __be32 lvb_blocks; __be32 lvb_free_blk; __be32 lvb_free_entry; }; |
83273932f ocfs2: timer to q... |
47 48 49 50 51 52 53 |
#define OCFS2_ORPHAN_LVB_VERSION 1 struct ocfs2_orphan_scan_lvb { __u8 lvb_version; __u8 lvb_reserved[3]; __be32 lvb_os_seqno; }; |
4882abebc ocfs2: add trimfs... |
54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 |
#define OCFS2_TRIMFS_LVB_VERSION 1 struct ocfs2_trim_fs_lvb { __u8 lvb_version; __u8 lvb_success; __u8 lvb_reserved[2]; __be32 lvb_nodenum; __be64 lvb_start; __be64 lvb_len; __be64 lvb_minlen; __be64 lvb_trimlen; }; struct ocfs2_trim_fs_info { u8 tf_valid; /* lvb is valid, or not */ u8 tf_success; /* trim is successful, or not */ u32 tf_nodenum; /* osb node number */ u64 tf_start; /* trim start offset in clusters */ u64 tf_len; /* trim end offset in clusters */ u64 tf_minlen; /* trim minimum contiguous free clusters */ u64 tf_trimlen; /* trimmed length in bytes */ }; |
439a36b8e ocfs2/dlmglue: pr... |
76 77 78 |
struct ocfs2_lock_holder { struct list_head oh_list; struct pid *oh_owner_pid; |
133b81f28 ocfs2: ocfs2_inod... |
79 |
int oh_ex; |
439a36b8e ocfs2/dlmglue: pr... |
80 |
}; |
e63aecb65 ocfs2: Rename ocf... |
81 |
/* ocfs2_inode_lock_full() 'arg_flags' flags */ |
ccd979bdb [PATCH] OCFS2: Th... |
82 83 84 85 |
/* don't wait on recovery. */ #define OCFS2_META_LOCK_RECOVERY (0x01) /* Instruct the dlm not to queue ourselves on the other node. */ #define OCFS2_META_LOCK_NOQUEUE (0x02) |
34d024f84 ocfs2: Remove mou... |
86 |
/* don't block waiting for the downconvert thread, instead return -EAGAIN */ |
ccd979bdb [PATCH] OCFS2: Th... |
87 |
#define OCFS2_LOCK_NONBLOCK (0x04) |
439a36b8e ocfs2/dlmglue: pr... |
88 89 |
/* just get back disk inode bh if we've got cluster lock. */ #define OCFS2_META_LOCK_GETBH (0x08) |
ccd979bdb [PATCH] OCFS2: Th... |
90 |
|
cb25797d4 ocfs2: Add lockde... |
91 92 93 94 95 96 |
/* Locking subclasses of inode cluster lock */ enum { OI_LS_NORMAL = 0, OI_LS_PARENT, OI_LS_RENAME1, OI_LS_RENAME2, |
07eaac943 ocfs2: Fix lockde... |
97 |
OI_LS_REFLINK_TARGET, |
cb25797d4 ocfs2: Add lockde... |
98 |
}; |
ccd979bdb [PATCH] OCFS2: Th... |
99 |
int ocfs2_dlm_init(struct ocfs2_super *osb); |
286eaa95c ocfs2: Break out ... |
100 |
void ocfs2_dlm_shutdown(struct ocfs2_super *osb, int hangup_pending); |
ccd979bdb [PATCH] OCFS2: Th... |
101 102 103 |
void ocfs2_lock_res_init_once(struct ocfs2_lock_res *res); void ocfs2_inode_lock_res_init(struct ocfs2_lock_res *res, enum ocfs2_lock_type type, |
24c19ef40 ocfs2: Remove i_g... |
104 |
unsigned int generation, |
ccd979bdb [PATCH] OCFS2: Th... |
105 |
struct inode *inode); |
d680efe9d ocfs2: Add new cl... |
106 107 |
void ocfs2_dentry_lock_res_init(struct ocfs2_dentry_lock *dl, u64 parent, struct inode *inode); |
cf8e06f1a [PATCH 1/2] ocfs2... |
108 109 110 |
struct ocfs2_file_private; void ocfs2_file_lock_res_init(struct ocfs2_lock_res *lockres, struct ocfs2_file_private *fp); |
9e33d69f5 ocfs2: Implementa... |
111 112 113 |
struct ocfs2_mem_dqinfo; void ocfs2_qinfo_lock_res_init(struct ocfs2_lock_res *lockres, struct ocfs2_mem_dqinfo *info); |
8dec98edf ocfs2: Add new re... |
114 115 116 |
void ocfs2_refcount_lock_res_init(struct ocfs2_lock_res *lockres, struct ocfs2_super *osb, u64 ref_blkno, unsigned int generation); |
ccd979bdb [PATCH] OCFS2: Th... |
117 118 119 |
void ocfs2_lock_res_free(struct ocfs2_lock_res *res); int ocfs2_create_new_inode_locks(struct inode *inode); int ocfs2_drop_inode_locks(struct inode *inode); |
ccd979bdb [PATCH] OCFS2: Th... |
120 |
int ocfs2_rw_lock(struct inode *inode, int write); |
06e7f13d1 ocfs2: add ocfs2_... |
121 |
int ocfs2_try_rw_lock(struct inode *inode, int write); |
ccd979bdb [PATCH] OCFS2: Th... |
122 |
void ocfs2_rw_unlock(struct inode *inode, int write); |
500086300 ocfs2: Remove del... |
123 124 125 |
int ocfs2_open_lock(struct inode *inode); int ocfs2_try_open_lock(struct inode *inode, int write); void ocfs2_open_unlock(struct inode *inode); |
e63aecb65 ocfs2: Rename ocf... |
126 |
int ocfs2_inode_lock_atime(struct inode *inode, |
7f1a37e31 ocfs2: core atime... |
127 |
struct vfsmount *vfsmnt, |
c4c2416ab ocfs2: nowait aio... |
128 |
int *level, int wait); |
cb25797d4 ocfs2: Add lockde... |
129 |
int ocfs2_inode_lock_full_nested(struct inode *inode, |
ccd979bdb [PATCH] OCFS2: Th... |
130 131 |
struct buffer_head **ret_bh, int ex, |
cb25797d4 ocfs2: Add lockde... |
132 133 |
int arg_flags, int subclass); |
e63aecb65 ocfs2: Rename ocf... |
134 |
int ocfs2_inode_lock_with_page(struct inode *inode, |
ccd979bdb [PATCH] OCFS2: Th... |
135 136 137 |
struct buffer_head **ret_bh, int ex, struct page *page); |
cb25797d4 ocfs2: Add lockde... |
138 139 140 141 142 |
/* Variants without special locking class or flags */ #define ocfs2_inode_lock_full(i, r, e, f)\ ocfs2_inode_lock_full_nested(i, r, e, f, OI_LS_NORMAL) #define ocfs2_inode_lock_nested(i, b, e, s)\ ocfs2_inode_lock_full_nested(i, b, e, 0, s) |
ccd979bdb [PATCH] OCFS2: Th... |
143 144 |
/* 99% of the time we don't want to supply any additional flags -- * those are for very specific cases only. */ |
cb25797d4 ocfs2: Add lockde... |
145 |
#define ocfs2_inode_lock(i, b, e) ocfs2_inode_lock_full_nested(i, b, e, 0, OI_LS_NORMAL) |
06e7f13d1 ocfs2: add ocfs2_... |
146 147 148 |
#define ocfs2_try_inode_lock(i, b, e)\ ocfs2_inode_lock_full_nested(i, b, e, OCFS2_META_LOCK_NOQUEUE,\ OI_LS_NORMAL) |
e63aecb65 ocfs2: Rename ocf... |
149 |
void ocfs2_inode_unlock(struct inode *inode, |
ccd979bdb [PATCH] OCFS2: Th... |
150 151 152 153 154 |
int ex); int ocfs2_super_lock(struct ocfs2_super *osb, int ex); void ocfs2_super_unlock(struct ocfs2_super *osb, int ex); |
df152c241 ocfs2: Disable or... |
155 156 |
int ocfs2_orphan_scan_lock(struct ocfs2_super *osb, u32 *seqno); void ocfs2_orphan_scan_unlock(struct ocfs2_super *osb, u32 seqno); |
83273932f ocfs2: timer to q... |
157 |
|
ccd979bdb [PATCH] OCFS2: Th... |
158 159 |
int ocfs2_rename_lock(struct ocfs2_super *osb); void ocfs2_rename_unlock(struct ocfs2_super *osb); |
6ca497a83 ocfs2: fix rare s... |
160 161 |
int ocfs2_nfs_sync_lock(struct ocfs2_super *osb, int ex); void ocfs2_nfs_sync_unlock(struct ocfs2_super *osb, int ex); |
4882abebc ocfs2: add trimfs... |
162 163 164 165 166 167 |
void ocfs2_trim_fs_lock_res_init(struct ocfs2_super *osb); void ocfs2_trim_fs_lock_res_uninit(struct ocfs2_super *osb); int ocfs2_trim_fs_lock(struct ocfs2_super *osb, struct ocfs2_trim_fs_info *info, int trylock); void ocfs2_trim_fs_unlock(struct ocfs2_super *osb, struct ocfs2_trim_fs_info *info); |
d680efe9d ocfs2: Add new cl... |
168 169 |
int ocfs2_dentry_lock(struct dentry *dentry, int ex); void ocfs2_dentry_unlock(struct dentry *dentry, int ex); |
cf8e06f1a [PATCH 1/2] ocfs2... |
170 171 |
int ocfs2_file_lock(struct file *file, int ex, int trylock); void ocfs2_file_unlock(struct file *file); |
9e33d69f5 ocfs2: Implementa... |
172 173 |
int ocfs2_qinfo_lock(struct ocfs2_mem_dqinfo *oinfo, int ex); void ocfs2_qinfo_unlock(struct ocfs2_mem_dqinfo *oinfo, int ex); |
8dec98edf ocfs2: Add new re... |
174 175 176 |
struct ocfs2_refcount_tree; int ocfs2_refcount_lock(struct ocfs2_refcount_tree *ref_tree, int ex); void ocfs2_refcount_unlock(struct ocfs2_refcount_tree *ref_tree, int ex); |
9e33d69f5 ocfs2: Implementa... |
177 |
|
d680efe9d ocfs2: Add new cl... |
178 |
|
84d86f83f ocfs2: avoid bloc... |
179 180 |
void ocfs2_mark_lockres_freeing(struct ocfs2_super *osb, struct ocfs2_lock_res *lockres); |
d680efe9d ocfs2: Add new cl... |
181 182 |
void ocfs2_simple_drop_lockres(struct ocfs2_super *osb, struct ocfs2_lock_res *lockres); |
ccd979bdb [PATCH] OCFS2: Th... |
183 |
|
34d024f84 ocfs2: Remove mou... |
184 |
/* for the downconvert thread */ |
34d024f84 ocfs2: Remove mou... |
185 |
void ocfs2_wake_downconvert_thread(struct ocfs2_super *osb); |
ccd979bdb [PATCH] OCFS2: Th... |
186 187 188 |
struct ocfs2_dlm_debug *ocfs2_new_dlm_debug(void); void ocfs2_put_dlm_debug(struct ocfs2_dlm_debug *dlm_debug); |
63e0c48ae ocfs2: Clean up s... |
189 190 |
/* To set the locking protocol on module initialization */ void ocfs2_set_locking_protocol(void); |
439a36b8e ocfs2/dlmglue: pr... |
191 192 193 194 195 196 197 198 199 200 |
/* The _tracker pair is used to avoid cluster recursive locking */ int ocfs2_inode_lock_tracker(struct inode *inode, struct buffer_head **ret_bh, int ex, struct ocfs2_lock_holder *oh); void ocfs2_inode_unlock_tracker(struct inode *inode, int ex, struct ocfs2_lock_holder *oh, int had_lock); |
ccd979bdb [PATCH] OCFS2: Th... |
201 |
#endif /* DLMGLUE_H */ |