diff options
Diffstat (limited to 'include/linux/lockd/lockd.h')
-rw-r--r-- | include/linux/lockd/lockd.h | 27 |
1 files changed, 15 insertions, 12 deletions
diff --git a/include/linux/lockd/lockd.h b/include/linux/lockd/lockd.h index ef21ed296039..995f89dc8c04 100644 --- a/include/linux/lockd/lockd.h +++ b/include/linux/lockd/lockd.h | |||
@@ -14,6 +14,7 @@ | |||
14 | #include <linux/config.h> | 14 | #include <linux/config.h> |
15 | #include <linux/in.h> | 15 | #include <linux/in.h> |
16 | #include <linux/fs.h> | 16 | #include <linux/fs.h> |
17 | #include <linux/kref.h> | ||
17 | #include <linux/utsname.h> | 18 | #include <linux/utsname.h> |
18 | #include <linux/nfsd/nfsfh.h> | 19 | #include <linux/nfsd/nfsfh.h> |
19 | #include <linux/lockd/bind.h> | 20 | #include <linux/lockd/bind.h> |
@@ -58,6 +59,8 @@ struct nlm_host { | |||
58 | unsigned long h_expires; /* eligible for GC */ | 59 | unsigned long h_expires; /* eligible for GC */ |
59 | struct list_head h_lockowners; /* Lockowners for the client */ | 60 | struct list_head h_lockowners; /* Lockowners for the client */ |
60 | spinlock_t h_lock; | 61 | spinlock_t h_lock; |
62 | struct list_head h_granted; /* Locks in GRANTED state */ | ||
63 | struct list_head h_reclaim; /* Locks in RECLAIM state */ | ||
61 | }; | 64 | }; |
62 | 65 | ||
63 | /* | 66 | /* |
@@ -83,9 +86,9 @@ struct nlm_rqst { | |||
83 | struct nlm_host * a_host; /* host handle */ | 86 | struct nlm_host * a_host; /* host handle */ |
84 | struct nlm_args a_args; /* arguments */ | 87 | struct nlm_args a_args; /* arguments */ |
85 | struct nlm_res a_res; /* result */ | 88 | struct nlm_res a_res; /* result */ |
86 | struct nlm_wait * a_block; | 89 | struct nlm_block * a_block; |
87 | unsigned int a_retries; /* Retry count */ | 90 | unsigned int a_retries; /* Retry count */ |
88 | char a_owner[NLMCLNT_OHSIZE]; | 91 | u8 a_owner[NLMCLNT_OHSIZE]; |
89 | }; | 92 | }; |
90 | 93 | ||
91 | /* | 94 | /* |
@@ -110,16 +113,16 @@ struct nlm_file { | |||
110 | */ | 113 | */ |
111 | #define NLM_NEVER (~(unsigned long) 0) | 114 | #define NLM_NEVER (~(unsigned long) 0) |
112 | struct nlm_block { | 115 | struct nlm_block { |
116 | struct kref b_count; /* Reference count */ | ||
113 | struct nlm_block * b_next; /* linked list (all blocks) */ | 117 | struct nlm_block * b_next; /* linked list (all blocks) */ |
114 | struct nlm_block * b_fnext; /* linked list (per file) */ | 118 | struct nlm_block * b_fnext; /* linked list (per file) */ |
115 | struct nlm_rqst b_call; /* RPC args & callback info */ | 119 | struct nlm_rqst * b_call; /* RPC args & callback info */ |
116 | struct svc_serv * b_daemon; /* NLM service */ | 120 | struct svc_serv * b_daemon; /* NLM service */ |
117 | struct nlm_host * b_host; /* host handle for RPC clnt */ | 121 | struct nlm_host * b_host; /* host handle for RPC clnt */ |
118 | unsigned long b_when; /* next re-xmit */ | 122 | unsigned long b_when; /* next re-xmit */ |
119 | unsigned int b_id; /* block id */ | 123 | unsigned int b_id; /* block id */ |
120 | unsigned char b_queued; /* re-queued */ | 124 | unsigned char b_queued; /* re-queued */ |
121 | unsigned char b_granted; /* VFS granted lock */ | 125 | unsigned char b_granted; /* VFS granted lock */ |
122 | unsigned char b_incall; /* doing callback */ | ||
123 | unsigned char b_done; /* callback complete */ | 126 | unsigned char b_done; /* callback complete */ |
124 | struct nlm_file * b_file; /* file in question */ | 127 | struct nlm_file * b_file; /* file in question */ |
125 | }; | 128 | }; |
@@ -145,15 +148,16 @@ extern unsigned long nlmsvc_timeout; | |||
145 | /* | 148 | /* |
146 | * Lockd client functions | 149 | * Lockd client functions |
147 | */ | 150 | */ |
148 | struct nlm_rqst * nlmclnt_alloc_call(void); | 151 | struct nlm_rqst * nlm_alloc_call(struct nlm_host *host); |
149 | int nlmclnt_prepare_block(struct nlm_rqst *req, struct nlm_host *host, struct file_lock *fl); | 152 | void nlm_release_call(struct nlm_rqst *); |
150 | void nlmclnt_finish_block(struct nlm_rqst *req); | 153 | int nlm_async_call(struct nlm_rqst *, u32, const struct rpc_call_ops *); |
151 | long nlmclnt_block(struct nlm_rqst *req, long timeout); | 154 | int nlm_async_reply(struct nlm_rqst *, u32, const struct rpc_call_ops *); |
155 | struct nlm_wait * nlmclnt_prepare_block(struct nlm_host *host, struct file_lock *fl); | ||
156 | void nlmclnt_finish_block(struct nlm_wait *block); | ||
157 | int nlmclnt_block(struct nlm_wait *block, struct nlm_rqst *req, long timeout); | ||
152 | u32 nlmclnt_grant(const struct sockaddr_in *addr, const struct nlm_lock *); | 158 | u32 nlmclnt_grant(const struct sockaddr_in *addr, const struct nlm_lock *); |
153 | void nlmclnt_recovery(struct nlm_host *, u32); | 159 | void nlmclnt_recovery(struct nlm_host *, u32); |
154 | int nlmclnt_reclaim(struct nlm_host *, struct file_lock *); | 160 | int nlmclnt_reclaim(struct nlm_host *, struct file_lock *); |
155 | int nlmclnt_setgrantargs(struct nlm_rqst *, struct nlm_lock *); | ||
156 | void nlmclnt_freegrantargs(struct nlm_rqst *); | ||
157 | 161 | ||
158 | /* | 162 | /* |
159 | * Host cache | 163 | * Host cache |
@@ -172,7 +176,6 @@ extern struct nlm_host *nlm_find_client(void); | |||
172 | /* | 176 | /* |
173 | * Server-side lock handling | 177 | * Server-side lock handling |
174 | */ | 178 | */ |
175 | int nlmsvc_async_call(struct nlm_rqst *, u32, const struct rpc_call_ops *); | ||
176 | u32 nlmsvc_lock(struct svc_rqst *, struct nlm_file *, | 179 | u32 nlmsvc_lock(struct svc_rqst *, struct nlm_file *, |
177 | struct nlm_lock *, int, struct nlm_cookie *); | 180 | struct nlm_lock *, int, struct nlm_cookie *); |
178 | u32 nlmsvc_unlock(struct nlm_file *, struct nlm_lock *); | 181 | u32 nlmsvc_unlock(struct nlm_file *, struct nlm_lock *); |
@@ -180,7 +183,7 @@ u32 nlmsvc_testlock(struct nlm_file *, struct nlm_lock *, | |||
180 | struct nlm_lock *); | 183 | struct nlm_lock *); |
181 | u32 nlmsvc_cancel_blocked(struct nlm_file *, struct nlm_lock *); | 184 | u32 nlmsvc_cancel_blocked(struct nlm_file *, struct nlm_lock *); |
182 | unsigned long nlmsvc_retry_blocked(void); | 185 | unsigned long nlmsvc_retry_blocked(void); |
183 | int nlmsvc_traverse_blocks(struct nlm_host *, struct nlm_file *, | 186 | void nlmsvc_traverse_blocks(struct nlm_host *, struct nlm_file *, |
184 | int action); | 187 | int action); |
185 | void nlmsvc_grant_reply(struct svc_rqst *, struct nlm_cookie *, u32); | 188 | void nlmsvc_grant_reply(struct svc_rqst *, struct nlm_cookie *, u32); |
186 | 189 | ||