[PATCH] jbd2: rename slab

[pandora-kernel.git] / fs / dcache.c

diff --git a/fs/dcache.c b/fs/dcache.c
index 17b392a..2355bdd 100644 (file)
--- a/fs/dcache.c
+++ b/fs/dcache.c
@@ -32,6 +32,7 @@
 #include <linux/seqlock.h>
 #include <linux/swap.h>
 #include <linux/bootmem.h>
+#include "internal.h"
 
 
 int sysctl_vfs_cache_pressure __read_mostly = 100;
@@ -290,9 +291,9 @@ struct dentry * dget_locked(struct dentry *dentry)
  * it can be unhashed only if it has no children, or if it is the root
  * of a filesystem.
  *
- * If the inode has a DCACHE_DISCONNECTED alias, then prefer
+ * If the inode has an IS_ROOT, DCACHE_DISCONNECTED alias, then prefer
  * any other hashed alias over that one unless @want_discon is set,
- * in which case only return a DCACHE_DISCONNECTED alias.
+ * in which case only return an IS_ROOT, DCACHE_DISCONNECTED alias.
  */
 
 static struct dentry * __d_find_alias(struct inode *inode, int want_discon)
@@ -308,7 +309,8 @@ static struct dentry * __d_find_alias(struct inode *inode, int want_discon)
                prefetch(next);
                alias = list_entry(tmp, struct dentry, d_alias);
                if (S_ISDIR(inode->i_mode) || !d_unhashed(alias)) {
-                       if (alias->d_flags & DCACHE_DISCONNECTED)
+                       if (IS_ROOT(alias) &&
+                           (alias->d_flags & DCACHE_DISCONNECTED))
                                discon_alias = alias;
                        else if (!want_discon) {
                                __dget_locked(alias);
@@ -1003,7 +1005,7 @@ struct dentry *d_splice_alias(struct inode *inode, struct dentry *dentry)
 {
        struct dentry *new = NULL;
 
-       if (inode) {
+       if (inode && S_ISDIR(inode->i_mode)) {
                spin_lock(&dcache_lock);
                new = __d_find_alias(inode, 1);
                if (new) {
@@ -1877,9 +1879,6 @@ kmem_cache_t *filp_cachep __read_mostly;
 
 EXPORT_SYMBOL(d_genocide);
 
-extern void bdev_cache_init(void);
-extern void chrdev_init(void);
-
 void __init vfs_caches_init_early(void)
 {
        dcache_init_early();