X-Git-Url: http://pilppa.org/gitweb/gitweb.cgi?a=blobdiff_plain;ds=sidebyside;f=fs%2Fcifs%2Fcifs_dfs_ref.c;h=95024c066d89d6422e7a1adb233a7fb38e76473a;hb=a815ab8b5891f3d2515316655729272f68269e3b;hp=7f8838253410572397725dffd3d92abba884c20c;hpb=34f10fc9886450c2e8a336f7022805c4a73e10f1;p=linux-2.6-omap-h63xx.git

diff --git a/fs/cifs/cifs_dfs_ref.c b/fs/cifs/cifs_dfs_ref.c
index 7f883825341..95024c066d8 100644
--- a/fs/cifs/cifs_dfs_ref.c
+++ b/fs/cifs/cifs_dfs_ref.c
@@ -23,17 +23,28 @@
 #include "dns_resolve.h"
 #include "cifs_debug.h"
 
-LIST_HEAD(cifs_dfs_automount_list);
+static LIST_HEAD(cifs_dfs_automount_list);
 
-/*
- * DFS functions
-*/
+static void cifs_dfs_expire_automounts(struct work_struct *work);
+static DECLARE_DELAYED_WORK(cifs_dfs_automount_task,
+			    cifs_dfs_expire_automounts);
+static int cifs_dfs_mountpoint_expiry_timeout = 500 * HZ;
+
+static void cifs_dfs_expire_automounts(struct work_struct *work)
+{
+	struct list_head *list = &cifs_dfs_automount_list;
+
+	mark_mounts_for_expiry(list);
+	if (!list_empty(list))
+		schedule_delayed_work(&cifs_dfs_automount_task,
+				      cifs_dfs_mountpoint_expiry_timeout);
+}
 
-void dfs_shrink_umount_helper(struct vfsmount *vfsmnt)
+void cifs_dfs_release_automount_timer(void)
 {
-	mark_mounts_for_expiry(&cifs_dfs_automount_list);
-	mark_mounts_for_expiry(&cifs_dfs_automount_list);
-	shrink_submounts(vfsmnt, &cifs_dfs_automount_list);
+	BUG_ON(!list_empty(&cifs_dfs_automount_list));
+	cancel_delayed_work(&cifs_dfs_automount_task);
+	flush_scheduled_work();
 }
 
 /**
@@ -74,7 +85,7 @@ static char *cifs_get_share_name(const char *node_name)
 	pSep = memchr(UNC+2, '\\', len-2);
 	if (!pSep) {
 		cERROR(1, ("%s: no server name end in node name: %s",
-			__FUNCTION__, node_name));
+			__func__, node_name));
 		kfree(UNC);
 		return NULL;
 	}
@@ -84,7 +95,7 @@ static char *cifs_get_share_name(const char *node_name)
 	pSep = memchr(UNC+(pSep-UNC), '\\', len-(pSep-UNC));
 	if (!pSep) {
 		cERROR(1, ("%s:2 cant find share name in node name: %s",
-			__FUNCTION__, node_name));
+			__func__, node_name));
 		kfree(UNC);
 		return NULL;
 	}
@@ -127,7 +138,7 @@ static char *compose_mount_options(const char *sb_mountdata,
 	rc = dns_resolve_server_name_to_ip(*devname, &srvIP);
 	if (rc != 0) {
 		cERROR(1, ("%s: Failed to resolve server part of %s to IP",
-			  __FUNCTION__, *devname));
+			  __func__, *devname));
 		mountdata = ERR_PTR(rc);
 		goto compose_mount_options_out;
 	}
@@ -181,8 +192,8 @@ static char *compose_mount_options(const char *sb_mountdata,
 		}
 	}
 
-	/*cFYI(1,("%s: parent mountdata: %s", __FUNCTION__,sb_mountdata));*/
-	/*cFYI(1, ("%s: submount mountdata: %s", __FUNCTION__, mountdata ));*/
+	/*cFYI(1,("%s: parent mountdata: %s", __func__,sb_mountdata));*/
+	/*cFYI(1, ("%s: submount mountdata: %s", __func__, mountdata ));*/
 
 compose_mount_options_out:
 	kfree(srvIP);
@@ -262,10 +273,11 @@ static int add_mount_helper(struct vfsmount *newmnt, struct nameidata *nd,
 	err = do_add_mount(newmnt, nd, nd->path.mnt->mnt_flags, mntlist);
 	switch (err) {
 	case 0:
-		dput(nd->path.dentry);
-		mntput(nd->path.mnt);
+		path_put(&nd->path);
 		nd->path.mnt = newmnt;
 		nd->path.dentry = dget(newmnt->mnt_root);
+		schedule_delayed_work(&cifs_dfs_automount_task,
+				      cifs_dfs_mountpoint_expiry_timeout);
 		break;
 	case -EBUSY:
 		/* someone else made a mount here whilst we were busy */
@@ -302,7 +314,7 @@ cifs_dfs_follow_mountpoint(struct dentry *dentry, struct nameidata *nd)
 	int rc = 0;
 	struct vfsmount *mnt = ERR_PTR(-ENOENT);
 
-	cFYI(1, ("in %s", __FUNCTION__));
+	cFYI(1, ("in %s", __func__));
 	BUG_ON(IS_ROOT(dentry));
 
 	xid = GetXid();
@@ -336,7 +348,7 @@ cifs_dfs_follow_mountpoint(struct dentry *dentry, struct nameidata *nd)
 			len = strlen(referrals[i].node_name);
 			if (len < 2) {
 				cERROR(1, ("%s: Net Address path too short: %s",
-					__FUNCTION__, referrals[i].node_name));
+					__func__, referrals[i].node_name));
 				rc = -EINVAL;
 				goto out_err;
 			}
@@ -344,7 +356,7 @@ cifs_dfs_follow_mountpoint(struct dentry *dentry, struct nameidata *nd)
 						nd->path.dentry,
 						referrals[i].node_name);
 			cFYI(1, ("%s: cifs_dfs_do_refmount:%s , mnt:%p",
-					 __FUNCTION__,
+					 __func__,
 					referrals[i].node_name, mnt));
 
 			/* complete mount procedure if we accured submount */
@@ -365,7 +377,7 @@ out:
 	FreeXid(xid);
 	free_dfs_info_array(referrals, num_referrals);
 	kfree(full_path);
-	cFYI(1, ("leaving %s" , __FUNCTION__));
+	cFYI(1, ("leaving %s" , __func__));
 	return ERR_PTR(rc);
 out_err:
 	path_put(&nd->path);