bfs_find_entry: pass name/len as qstr pointer

all callers feed something->name/something->len anyway

Cc: "Tigran A. Aivazian" <aivazian.tigran@gmail.com>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>

diff --git a/fs/bfs/dir.c b/fs/bfs/dir.c
index facf9614a381e8a8dfca105fde451e7821ae0125..528c69746f7d34423c0cafc124ea36b6ed9b74ae 100644 (file)
--- a/fs/bfs/dir.c
+++ b/fs/bfs/dir.c
@@ -24,7 +24,7 @@
 static int bfs_add_entry(struct inode *dir, const unsigned char *name,
                                                int namelen, int ino);
 static struct buffer_head *bfs_find_entry(struct inode *dir,
-                               const unsigned char *name, int namelen,
+                               const struct qstr *child,
                                struct bfs_dirent **res_dir);
 
 static int bfs_readdir(struct file *f, struct dir_context *ctx)
@@ -136,7 +136,7 @@ static struct dentry *bfs_lookup(struct inode *dir, struct dentry *dentry,
                return ERR_PTR(-ENAMETOOLONG);
 
        mutex_lock(&info->bfs_lock);
-       bh = bfs_find_entry(dir, dentry->d_name.name, dentry->d_name.len, &de);
+       bh = bfs_find_entry(dir, &dentry->d_name, &de);
        if (bh) {
                unsigned long ino = (unsigned long)le16_to_cpu(de->ino);
                brelse(bh);
@@ -178,7 +178,7 @@ static int bfs_unlink(struct inode *dir, struct dentry *dentry)
        struct bfs_sb_info *info = BFS_SB(inode->i_sb);
 
        mutex_lock(&info->bfs_lock);
-       bh = bfs_find_entry(dir, dentry->d_name.name, dentry->d_name.len, &de);
+       bh = bfs_find_entry(dir, &dentry->d_name, &de);
        if (!bh || (le16_to_cpu(de->ino) != inode->i_ino))
                goto out_brelse;
 
@@ -223,18 +223,14 @@ static int bfs_rename(struct inode *old_dir, struct dentry *old_dentry,
        info = BFS_SB(old_inode->i_sb);
 
        mutex_lock(&info->bfs_lock);
-       old_bh = bfs_find_entry(old_dir, 
-                               old_dentry->d_name.name, 
-                               old_dentry->d_name.len, &old_de);
+       old_bh = bfs_find_entry(old_dir, &old_dentry->d_name, &old_de);
 
        if (!old_bh || (le16_to_cpu(old_de->ino) != old_inode->i_ino))
                goto end_rename;
 
        error = -EPERM;
        new_inode = d_inode(new_dentry);
-       new_bh = bfs_find_entry(new_dir, 
-                               new_dentry->d_name.name, 
-                               new_dentry->d_name.len, &new_de);
+       new_bh = bfs_find_entry(new_dir, &new_dentry->d_name, &new_de);
 
        if (new_bh && !new_inode) {
                brelse(new_bh);
@@ -327,12 +323,14 @@ static inline int bfs_namecmp(int len, const unsigned char *name,
 }
 
 static struct buffer_head *bfs_find_entry(struct inode *dir,
-                       const unsigned char *name, int namelen,
+                       const struct qstr *child,
                        struct bfs_dirent **res_dir)
 {
        unsigned long block = 0, offset = 0;
        struct buffer_head *bh = NULL;
        struct bfs_dirent *de;
+       const unsigned char *name = child->name;
+       int namelen = child->len;
 
        *res_dir = NULL;
        if (namelen > BFS_NAMELEN)