powerpc: Remove obsolete prototype

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

diff --git a/fs/hfsplus/btree.c b/fs/hfsplus/btree.c
index a9b9e872e29a6296ecd4d327bd8f2653beeb7a3e..050d29c0a5b58fae09cfa94c5ae1316f17de8a6a 100644 (file)
--- a/fs/hfsplus/btree.c
+++ b/fs/hfsplus/btree.c
@@ -10,6 +10,7 @@
 
 #include <linux/slab.h>
 #include <linux/pagemap.h>
+#include <linux/log2.h>
 
 #include "hfsplus_fs.h"
 #include "hfsplus_raw.h"
@@ -61,15 +62,17 @@ struct hfs_btree *hfs_btree_open(struct super_block *sb, u32 id)
                if ((HFSPLUS_SB(sb).flags & HFSPLUS_SB_HFSX) &&
                    (head->key_type == HFSPLUS_KEY_BINARY))
                        tree->keycmp = hfsplus_cat_bin_cmp_key;
-               else
+               else {
                        tree->keycmp = hfsplus_cat_case_cmp_key;
+                       HFSPLUS_SB(sb).flags |= HFSPLUS_SB_CASEFOLD;
+               }
        } else {
                printk(KERN_ERR "hfs: unknown B*Tree requested\n");
                goto fail_page;
        }
 
        size = tree->node_size;
-       if (!size || size & (size - 1))
+       if (!is_power_of_2(size))
                goto fail_page;
        if (!tree->node_count)
                goto fail_page;