ext4: Use unsigned int for blocksize in dx_make_map() and dx_pack_dirents()

Signed-off-by: Wei Yongjun <yjwei@cn.fujitsu.com>
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>

diff --git a/fs/ext4/namei.c b/fs/ext4/namei.c
index 8341024..0482495 100644 (file)
--- a/fs/ext4/namei.c
+++ b/fs/ext4/namei.c
@@ -161,12 +161,12 @@ static struct dx_frame *dx_probe(const struct qstr *d_name,
                                 struct dx_frame *frame,
                                 int *err);
 static void dx_release(struct dx_frame *frames);
-static int dx_make_map(struct ext4_dir_entry_2 *de, int size,
+static int dx_make_map(struct ext4_dir_entry_2 *de, unsigned blocksize,
                       struct dx_hash_info *hinfo, struct dx_map_entry map[]);
 static void dx_sort_map(struct dx_map_entry *map, unsigned count);
 static struct ext4_dir_entry_2 *dx_move_dirents(char *from, char *to,
                struct dx_map_entry *offsets, int count);
-static struct ext4_dir_entry_2* dx_pack_dirents(char *base, int size);
+static struct ext4_dir_entry_2* dx_pack_dirents(char *base, unsigned blocksize);
 static void dx_insert_block(struct dx_frame *frame,
                                        u32 hash, ext4_lblk_t block);
 static int ext4_htree_next_block(struct inode *dir, __u32 hash,
@@ -713,15 +713,15 @@ errout:
  * Create map of hash values, offsets, and sizes, stored at end of block.
  * Returns number of entries mapped.
  */
-static int dx_make_map (struct ext4_dir_entry_2 *de, int size,
-                       struct dx_hash_info *hinfo, struct dx_map_entry *map_tail)
+static int dx_make_map(struct ext4_dir_entry_2 *de, unsigned blocksize,
+                      struct dx_hash_info *hinfo,
+                      struct dx_map_entry *map_tail)
 {
        int count = 0;
        char *base = (char *) de;
        struct dx_hash_info h = *hinfo;
 
-       while ((char *) de < base + size)
-       {
+       while ((char *) de < base + blocksize) {
                if (de->name_len && de->inode) {
                        ext4fs_dirhash(de->name, de->name_len, &h);
                        map_tail--;
@@ -1130,13 +1130,13 @@ dx_move_dirents(char *from, char *to, struct dx_map_entry *map, int count)
  * Compact each dir entry in the range to the minimal rec_len.
  * Returns pointer to last entry in range.
  */
-static struct ext4_dir_entry_2* dx_pack_dirents(char *base, int size)
+static struct ext4_dir_entry_2* dx_pack_dirents(char *base, unsigned blocksize)
 {
        struct ext4_dir_entry_2 *next, *to, *prev, *de = (struct ext4_dir_entry_2 *) base;
        unsigned rec_len = 0;
 
        prev = to = de;
-       while ((char*)de < base + size) {
+       while ((char*)de < base + blocksize) {
                next = ext4_next_entry(de);
                if (de->inode && de->name_len) {
                        rec_len = EXT4_DIR_REC_LEN(de->name_len);