[PATCH] autofs4: change may_umount* functions to boolean

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

diff --git a/fs/namespace.c b/fs/namespace.c
index 71e75bcf4d28fe7454e24880a230498ce1cc016c..bf478addb852b70c1ec036e33100f93031c5dc6b 100644 (file)
--- a/fs/namespace.c
+++ b/fs/namespace.c
@@ -43,9 +43,9 @@ __cacheline_aligned_in_smp DEFINE_SPINLOCK(vfsmount_lock);
 
 static int event;
 
-static struct list_head *mount_hashtable;
+static struct list_head *mount_hashtable __read_mostly;
 static int hash_mask __read_mostly, hash_bits __read_mostly;
-static kmem_cache_t *mnt_cache;
+static kmem_cache_t *mnt_cache __read_mostly;
 static struct rw_semaphore namespace_sem;
 
 /* /sys/fs */
@@ -459,9 +459,9 @@ int may_umount_tree(struct vfsmount *mnt)
        spin_unlock(&vfsmount_lock);
 
        if (actual_refs > minimum_refs)
-               return -EBUSY;
+               return 0;
 
-       return 0;
+       return 1;
 }
 
 EXPORT_SYMBOL(may_umount_tree);
@@ -481,10 +481,10 @@ EXPORT_SYMBOL(may_umount_tree);
  */
 int may_umount(struct vfsmount *mnt)
 {
-       int ret = 0;
+       int ret = 1;
        spin_lock(&vfsmount_lock);
        if (propagate_mount_busy(mnt, 2))
-               ret = -EBUSY;
+               ret = 0;
        spin_unlock(&vfsmount_lock);
        return ret;
 }