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authorTrond Myklebust <Trond.Myklebust@netapp.com>2006-03-20 13:44:39 -0500
committerTrond Myklebust <Trond.Myklebust@netapp.com>2006-03-20 13:44:39 -0500
commit5e1abf8cb713a0b94f5a400c7b9b797990cd9dec (patch)
tree717a5eb95c4615855edc5f66268154cbe4118326
parent6849c0cab69f5d1a0fc7b05fa5bfb3dec53f86df (diff)
downloadop-kernel-dev-5e1abf8cb713a0b94f5a400c7b9b797990cd9dec.zip
op-kernel-dev-5e1abf8cb713a0b94f5a400c7b9b797990cd9dec.tar.gz
lockd: Clean up of the server-side GRANTED code
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
-rw-r--r--fs/lockd/clntproc.c43
-rw-r--r--fs/lockd/svclock.c56
-rw-r--r--include/linux/lockd/lockd.h2
3 files changed, 53 insertions, 48 deletions
diff --git a/fs/lockd/clntproc.c b/fs/lockd/clntproc.c
index acc3eb1..80ae312 100644
--- a/fs/lockd/clntproc.c
+++ b/fs/lockd/clntproc.c
@@ -148,49 +148,6 @@ static void nlmclnt_release_lockargs(struct nlm_rqst *req)
}
/*
- * Initialize arguments for GRANTED call. The nlm_rqst structure
- * has been cleared already.
- */
-int
-nlmclnt_setgrantargs(struct nlm_rqst *call, struct nlm_lock *lock)
-{
- locks_copy_lock(&call->a_args.lock.fl, &lock->fl);
- memcpy(&call->a_args.lock.fh, &lock->fh, sizeof(call->a_args.lock.fh));
- call->a_args.lock.caller = system_utsname.nodename;
- call->a_args.lock.oh.len = lock->oh.len;
-
- /* set default data area */
- call->a_args.lock.oh.data = call->a_owner;
- call->a_args.lock.svid = lock->fl.fl_pid;
-
- if (lock->oh.len > NLMCLNT_OHSIZE) {
- void *data = kmalloc(lock->oh.len, GFP_KERNEL);
- if (!data) {
- nlmclnt_freegrantargs(call);
- return 0;
- }
- call->a_args.lock.oh.data = (u8 *) data;
- }
-
- memcpy(call->a_args.lock.oh.data, lock->oh.data, lock->oh.len);
- return 1;
-}
-
-void
-nlmclnt_freegrantargs(struct nlm_rqst *call)
-{
- struct file_lock *fl = &call->a_args.lock.fl;
- /*
- * Check whether we allocated memory for the owner.
- */
- if (call->a_args.lock.oh.data != (u8 *) call->a_owner) {
- kfree(call->a_args.lock.oh.data);
- }
- if (fl->fl_ops && fl->fl_ops->fl_release_private)
- fl->fl_ops->fl_release_private(fl);
-}
-
-/*
* This is the main entry point for the NLM client.
*/
int
diff --git a/fs/lockd/svclock.c b/fs/lockd/svclock.c
index 20caece..3c7dd95 100644
--- a/fs/lockd/svclock.c
+++ b/fs/lockd/svclock.c
@@ -43,6 +43,8 @@ static void nlmsvc_release_block(struct nlm_block *block);
static void nlmsvc_insert_block(struct nlm_block *block, unsigned long);
static int nlmsvc_remove_block(struct nlm_block *block);
+static int nlmsvc_setgrantargs(struct nlm_rqst *call, struct nlm_lock *lock);
+static void nlmsvc_freegrantargs(struct nlm_rqst *call);
static const struct rpc_call_ops nlmsvc_grant_ops;
/*
@@ -196,7 +198,7 @@ nlmsvc_create_block(struct svc_rqst *rqstp, struct nlm_file *file,
locks_init_lock(&block->b_call.a_res.lock.fl);
kref_init(&block->b_count);
- if (!nlmclnt_setgrantargs(&block->b_call, lock))
+ if (!nlmsvc_setgrantargs(&block->b_call, lock))
goto failed_free;
/* Set notifier function for VFS, and init args */
@@ -264,7 +266,7 @@ static void nlmsvc_free_block(struct kref *kref)
if (block->b_host)
nlm_release_host(block->b_host);
- nlmclnt_freegrantargs(&block->b_call);
+ nlmsvc_freegrantargs(&block->b_call);
kfree(block);
}
@@ -299,6 +301,49 @@ nlmsvc_traverse_blocks(struct nlm_host *host, struct nlm_file *file, int action)
}
/*
+ * Initialize arguments for GRANTED call. The nlm_rqst structure
+ * has been cleared already.
+ */
+static int nlmsvc_setgrantargs(struct nlm_rqst *call, struct nlm_lock *lock)
+{
+ locks_copy_lock(&call->a_args.lock.fl, &lock->fl);
+ memcpy(&call->a_args.lock.fh, &lock->fh, sizeof(call->a_args.lock.fh));
+ call->a_args.lock.caller = system_utsname.nodename;
+ call->a_args.lock.oh.len = lock->oh.len;
+
+ /* set default data area */
+ call->a_args.lock.oh.data = call->a_owner;
+ call->a_args.lock.svid = lock->fl.fl_pid;
+
+ if (lock->oh.len > NLMCLNT_OHSIZE) {
+ void *data = kmalloc(lock->oh.len, GFP_KERNEL);
+ if (!data) {
+ nlmsvc_freegrantargs(call);
+ return 0;
+ }
+ call->a_args.lock.oh.data = (u8 *) data;
+ }
+
+ memcpy(call->a_args.lock.oh.data, lock->oh.data, lock->oh.len);
+ return 1;
+}
+
+static void nlmsvc_freegrantargs(struct nlm_rqst *call)
+{
+ struct file_lock *fl = &call->a_args.lock.fl;
+ /*
+ * Check whether we allocated memory for the owner.
+ */
+ if (call->a_args.lock.oh.data != (u8 *) call->a_owner) {
+ kfree(call->a_args.lock.oh.data);
+ }
+ if (fl->fl_ops && fl->fl_ops->fl_release_private)
+ fl->fl_ops->fl_release_private(fl);
+ if (fl->fl_lmops && fl->fl_lmops->fl_release_private)
+ fl->fl_lmops->fl_release_private(fl);
+}
+
+/*
* Attempt to establish a lock, and if it can't be granted, block it
* if required.
*/
@@ -600,11 +645,16 @@ static void nlmsvc_grant_callback(struct rpc_task *task, void *data)
}
nlmsvc_insert_block(block, timeout);
svc_wake_up(block->b_daemon);
- nlmsvc_release_block(block);
+}
+
+void nlmsvc_grant_release(void *data)
+{
+ nlmsvc_release_block(data);
}
static const struct rpc_call_ops nlmsvc_grant_ops = {
.rpc_call_done = nlmsvc_grant_callback,
+ .rpc_release = nlmsvc_grant_release,
};
/*
diff --git a/include/linux/lockd/lockd.h b/include/linux/lockd/lockd.h
index 08ab977..860a93f 100644
--- a/include/linux/lockd/lockd.h
+++ b/include/linux/lockd/lockd.h
@@ -153,8 +153,6 @@ long nlmclnt_block(struct nlm_rqst *req, long timeout);
u32 nlmclnt_grant(const struct sockaddr_in *addr, const struct nlm_lock *);
void nlmclnt_recovery(struct nlm_host *, u32);
int nlmclnt_reclaim(struct nlm_host *, struct file_lock *);
-int nlmclnt_setgrantargs(struct nlm_rqst *, struct nlm_lock *);
-void nlmclnt_freegrantargs(struct nlm_rqst *);
/*
* Host cache
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