Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/sam/kbuild...

[linux-2.6-omap-h63xx.git] / fs / lockd / clntlock.c

diff --git a/fs/lockd/clntlock.c b/fs/lockd/clntlock.c
index d070b18e539dac18a8e452bff19524e74b1d793e..8307dd64bf46ca746d9c973f209626de49627d17 100644 (file)
--- a/fs/lockd/clntlock.c
+++ b/fs/lockd/clntlock.c
@@ -41,6 +41,47 @@ struct nlm_wait {
 
 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();
+       if (status < 0)
+               return ERR_PTR(status);
+
+       host = nlmclnt_lookup_host(nlm_init->address, nlm_init->addrlen,
+                                  nlm_init->protocol, nlm_version,
+                                  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
  */
@@ -100,7 +141,7 @@ int nlmclnt_block(struct nlm_wait *block, struct nlm_rqst *req, long timeout)
 /*
  * The server lockd has called us back to tell us the lock was granted
  */
-__be32 nlmclnt_grant(const struct sockaddr_in *addr, const struct nlm_lock *lock)
+__be32 nlmclnt_grant(const struct sockaddr *addr, const struct nlm_lock *lock)
 {
        const struct file_lock *fl = &lock->fl;
        const struct nfs_fh *fh = &lock->fh;
@@ -124,7 +165,7 @@ __be32 nlmclnt_grant(const struct sockaddr_in *addr, const struct nlm_lock *lock
                 */
                if (fl_blocked->fl_u.nfs_fl.owner->pid != lock->svid)
                        continue;
-               if (!nlm_cmp_addr(&block->b_host->h_addr, addr))
+               if (!nlm_cmp_addr(nlm_addr(block->b_host), addr))
                        continue;
                if (nfs_compare_fh(NFS_FH(fl_blocked->fl_file->f_path.dentry->d_inode) ,fh) != 0)
                        continue;
@@ -174,7 +215,7 @@ reclaimer(void *ptr)
        /* This one ensures that our parent doesn't terminate while the
         * reclaim is in progress */
        lock_kernel();
-       lockd_up(0); /* note: this cannot fail as lockd is already running */
+       lockd_up();     /* note: this cannot fail as lockd is already running */
 
        dprintk("lockd: reclaiming locks for host %s\n", host->h_name);