X-Git-Url: http://pilppa.org/gitweb/gitweb.cgi?a=blobdiff_plain;f=fs%2Flockd%2Fclntlock.c;h=0b45fd3a4bfd6dfdb9e6e8d426a46489954822bb;hb=59438c9fc4f7a92c808c9049bc6b396f98bf954c;hp=b85a0ad2cfb622fee0986450f530b44d3f987b16;hpb=af60496f746596fdbc7a9ffa1a96f97e1bc59bcf;p=linux-2.6-omap-h63xx.git

diff --git a/fs/lockd/clntlock.c b/fs/lockd/clntlock.c
index b85a0ad2cfb..0b45fd3a4bf 100644
--- a/fs/lockd/clntlock.c
+++ b/fs/lockd/clntlock.c
@@ -36,11 +36,53 @@ struct nlm_wait {
 	struct nlm_host *	b_host;
 	struct file_lock *	b_lock;		/* local file lock */
 	unsigned short		b_reclaim;	/* got to reclaim lock */
-	u32			b_status;	/* grant callback status */
+	__be32			b_status;	/* grant callback status */
 };
 
 static LIST_HEAD(nlm_blocked);
 
+/**
+ * nlmclnt_init - Set up per-NFS mount point lockd data structures
+ * @nlm_init: pointer to arguments structure
+ *
+ * Returns pointer to an appropriate nlm_host struct,
+ * or an ERR_PTR value.
+ */
+struct nlm_host *nlmclnt_init(const struct nlmclnt_initdata *nlm_init)
+{
+	struct nlm_host *host;
+	u32 nlm_version = (nlm_init->nfs_version == 2) ? 1 : 4;
+	int status;
+
+	status = lockd_up(nlm_init->protocol);
+	if (status < 0)
+		return ERR_PTR(status);
+
+	host = nlmclnt_lookup_host((struct sockaddr_in *)nlm_init->address,
+				   nlm_init->protocol, nlm_version,
+				   nlm_init->hostname,
+				   strlen(nlm_init->hostname));
+	if (host == NULL) {
+		lockd_down();
+		return ERR_PTR(-ENOLCK);
+	}
+
+	return host;
+}
+EXPORT_SYMBOL_GPL(nlmclnt_init);
+
+/**
+ * nlmclnt_done - Release resources allocated by nlmclnt_init()
+ * @host: nlm_host structure reserved by nlmclnt_init()
+ *
+ */
+void nlmclnt_done(struct nlm_host *host)
+{
+	nlm_release_host(host);
+	lockd_down();
+}
+EXPORT_SYMBOL_GPL(nlmclnt_done);
+
 /*
  * Queue up a lock for blocking so that the GRANTED request can see it
  */
@@ -53,7 +95,7 @@ struct nlm_wait *nlmclnt_prepare_block(struct nlm_host *host, struct file_lock *
 		block->b_host = host;
 		block->b_lock = fl;
 		init_waitqueue_head(&block->b_wait);
-		block->b_status = NLM_LCK_BLOCKED;
+		block->b_status = nlm_lck_blocked;
 		list_add(&block->b_list, &nlm_blocked);
 	}
 	return block;
@@ -89,7 +131,7 @@ int nlmclnt_block(struct nlm_wait *block, struct nlm_rqst *req, long timeout)
 	 * nlmclnt_lock for an explanation.
 	 */
 	ret = wait_event_interruptible_timeout(block->b_wait,
-			block->b_status != NLM_LCK_BLOCKED,
+			block->b_status != nlm_lck_blocked,
 			timeout);
 	if (ret < 0)
 		return -ERESTARTSYS;
@@ -126,12 +168,12 @@ __be32 nlmclnt_grant(const struct sockaddr_in *addr, const struct nlm_lock *lock
 			continue;
 		if (!nlm_cmp_addr(&block->b_host->h_addr, addr))
 			continue;
-		if (nfs_compare_fh(NFS_FH(fl_blocked->fl_file->f_dentry->d_inode) ,fh) != 0)
+		if (nfs_compare_fh(NFS_FH(fl_blocked->fl_file->f_path.dentry->d_inode) ,fh) != 0)
 			continue;
 		/* Alright, we found a lock. Set the return status
 		 * and wake up the caller
 		 */
-		block->b_status = NLM_LCK_GRANTED;
+		block->b_status = nlm_granted;
 		wake_up(&block->b_wait);
 		res = nlm_granted;
 	}
@@ -153,7 +195,7 @@ nlmclnt_recovery(struct nlm_host *host)
 	if (!host->h_reclaiming++) {
 		nlm_get_host(host);
 		__module_get(THIS_MODULE);
-		if (kernel_thread(reclaimer, host, CLONE_KERNEL) < 0)
+		if (kernel_thread(reclaimer, host, CLONE_FS | CLONE_FILES) < 0)
 			module_put(THIS_MODULE);
 	}
 }
@@ -176,7 +218,7 @@ reclaimer(void *ptr)
 	lock_kernel();
 	lockd_up(0); /* note: this cannot fail as lockd is already running */
 
-	dprintk("lockd: reclaiming locks for host %s", host->h_name);
+	dprintk("lockd: reclaiming locks for host %s\n", host->h_name);
 
 restart:
 	nsmstate = host->h_nsmstate;
@@ -206,12 +248,12 @@ restart:
 
 	host->h_reclaiming = 0;
 	up_write(&host->h_rwsem);
-	dprintk("NLM: done reclaiming locks for host %s", host->h_name);
+	dprintk("NLM: done reclaiming locks for host %s\n", host->h_name);
 
 	/* Now, wake up all processes that sleep on a blocked lock */
 	list_for_each_entry(block, &nlm_blocked, b_list) {
 		if (block->b_host == host) {
-			block->b_status = NLM_LCK_DENIED_GRACE_PERIOD;
+			block->b_status = nlm_lck_denied_grace_period;
 			wake_up(&block->b_wait);
 		}
 	}