3 files changed, 26 insertions, 12 deletions

diff --git a/fs/hpfs/dentry.c b/fs/hpfs/dentry.c
index 67d9d36b3d5f..32c13a94e1e9 100644
--- a/fs/hpfs/dentry.c
+++ b/fs/hpfs/dentry.c
@@ -12,7 +12,8 @@
  * Note: the dentry argument is the parent dentry.
  */
 
-static int hpfs_hash_dentry(struct dentry *dentry, struct qstr *qstr)
+static int hpfs_hash_dentry(const struct dentry *dentry, const struct inode *inode,
+                struct qstr *qstr)
 {
         unsigned long    hash;
         int              i;
@@ -34,19 +35,25 @@ static int hpfs_hash_dentry(struct dentry *dentry, struct qstr *qstr)
         return 0;
 }
 
-static int hpfs_compare_dentry(struct dentry *dentry, struct qstr *a, struct qstr *b)
+static int hpfs_compare_dentry(const struct dentry *parent,
+                const struct inode *pinode,
+                const struct dentry *dentry, const struct inode *inode,
+                unsigned int len, const char *str, const struct qstr *name)
 {
-        unsigned al=a->len;
-        unsigned bl=b->len;
-        hpfs_adjust_length(a->name, &al);
+        unsigned al = len;
+        unsigned bl = name->len;
+
+        hpfs_adjust_length(str, &al);
         /*hpfs_adjust_length(b->name, &bl);*/
-        /* 'a' is the qstr of an already existing dentry, so the name
-         * must be valid. 'b' must be validated first.
+
+        /*
+         * 'str' is the nane of an already existing dentry, so the name
+         * must be valid. 'name' must be validated first.
          */
 
-        if (hpfs_chk_name(b->name, &bl))
+        if (hpfs_chk_name(name->name, &bl))
                 return 1;
-        if (hpfs_compare_names(dentry->d_sb, a->name, al, b->name, bl, 0))
+        if (hpfs_compare_names(parent->d_sb, str, al, name->name, bl, 0))
                 return 1;
         return 0;
 }
@@ -58,5 +65,5 @@ static const struct dentry_operations hpfs_dentry_operations = {
 
 void hpfs_set_dentry_operations(struct dentry *dentry)
 {
-        dentry->d_op = &hpfs_dentry_operations;
+        d_set_d_op(dentry, &hpfs_dentry_operations);
 }
diff --git a/fs/hpfs/namei.c b/fs/hpfs/namei.c
index 11c2b4080f65..f4ad9e31ddc4 100644
--- a/fs/hpfs/namei.c
+++ b/fs/hpfs/namei.c
@@ -419,7 +419,7 @@ again:
                         unlock_kernel();
                         return -ENOSPC;
                 }
-                if (generic_permission(inode, MAY_WRITE, NULL) ||
+                if (generic_permission(inode, MAY_WRITE, 0, NULL) ||
                     !S_ISREG(inode->i_mode) ||
                     get_write_access(inode)) {
                         d_rehash(dentry);
diff --git a/fs/hpfs/super.c b/fs/hpfs/super.c
index 6c5f01597c3a..49935ba78db8 100644
--- a/fs/hpfs/super.c
+++ b/fs/hpfs/super.c
@@ -177,11 +177,18 @@ static struct inode *hpfs_alloc_inode(struct super_block *sb)
         return &ei->vfs_inode;
 }
 
-static void hpfs_destroy_inode(struct inode *inode)
+static void hpfs_i_callback(struct rcu_head *head)
 {
+        struct inode *inode = container_of(head, struct inode, i_rcu);
+        INIT_LIST_HEAD(&inode->i_dentry);
         kmem_cache_free(hpfs_inode_cachep, hpfs_i(inode));
 }
 
+static void hpfs_destroy_inode(struct inode *inode)
+{
+        call_rcu(&inode->i_rcu, hpfs_i_callback);
+}
+
 static void init_once(void *foo)
 {
         struct hpfs_inode_info *ei = (struct hpfs_inode_info *) foo;