hostfs: get rid of inode_dentry_name()

it's equivalent to dentry_name() anyway

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>

diff --git a/fs/hostfs/hostfs_kern.c b/fs/hostfs/hostfs_kern.c
index b29a2b8..3841fb1 100644 (file)
--- a/fs/hostfs/hostfs_kern.c
+++ b/fs/hostfs/hostfs_kern.c
@@ -89,7 +89,7 @@ __uml_setup("hostfs=", hostfs_args,
 );
 #endif
 
-static char *dentry_name(struct dentry *dentry, int extra)
+static char *dentry_name(struct dentry *dentry)
 {
        struct dentry *parent;
        char *root, *name;
@@ -104,7 +104,7 @@ static char *dentry_name(struct dentry *dentry, int extra)
 
        root = parent->d_sb->s_fs_info;
        len += strlen(root);
-       name = kmalloc(len + extra + 1, GFP_KERNEL);
+       name = kmalloc(len + 1, GFP_KERNEL);
        if (name == NULL)
                return NULL;
 
@@ -121,12 +121,12 @@ static char *dentry_name(struct dentry *dentry, int extra)
        return name;
 }
 
-static char *inode_name(struct inode *ino, int extra)
+static char *inode_name(struct inode *ino)
 {
        struct dentry *dentry;
 
        dentry = list_entry(ino->i_dentry.next, struct dentry, d_alias);
-       return dentry_name(dentry, extra);
+       return dentry_name(dentry);
 }
 
 static char *follow_link(char *link)
@@ -267,7 +267,7 @@ int hostfs_readdir(struct file *file, void *ent, filldir_t filldir)
        unsigned long long next, ino;
        int error, len;
 
-       name = dentry_name(file->f_path.dentry, 0);
+       name = dentry_name(file->f_path.dentry);
        if (name == NULL)
                return -ENOMEM;
        dir = open_dir(name, &error);
@@ -312,7 +312,7 @@ int hostfs_file_open(struct inode *ino, struct file *file)
        if (w)
                r = 1;
 
-       name = dentry_name(file->f_path.dentry, 0);
+       name = dentry_name(file->f_path.dentry);
        if (name == NULL)
                return -ENOMEM;
 
@@ -519,7 +519,7 @@ int hostfs_create(struct inode *dir, struct dentry *dentry, int mode,
        }
 
        error = -ENOMEM;
-       name = dentry_name(dentry, 0);
+       name = dentry_name(dentry);
        if (name == NULL)
                goto out_put;
 
@@ -561,7 +561,7 @@ struct dentry *hostfs_lookup(struct inode *ino, struct dentry *dentry,
        }
 
        err = -ENOMEM;
-       name = dentry_name(dentry, 0);
+       name = dentry_name(dentry);
        if (name == NULL)
                goto out_put;
 
@@ -585,29 +585,14 @@ struct dentry *hostfs_lookup(struct inode *ino, struct dentry *dentry,
        return ERR_PTR(err);
 }
 
-static char *inode_dentry_name(struct inode *ino, struct dentry *dentry)
-{
-       char *file;
-       int len;
-
-       file = inode_name(ino, dentry->d_name.len + 1);
-       if (file == NULL)
-               return NULL;
-       strcat(file, "/");
-       len = strlen(file);
-       strncat(file, dentry->d_name.name, dentry->d_name.len);
-       file[len + dentry->d_name.len] = '\0';
-       return file;
-}
-
 int hostfs_link(struct dentry *to, struct inode *ino, struct dentry *from)
 {
        char *from_name, *to_name;
        int err;
 
-       if ((from_name = inode_dentry_name(ino, from)) == NULL)
+       if ((from_name = dentry_name(from)) == NULL)
                return -ENOMEM;
-       to_name = dentry_name(to, 0);
+       to_name = dentry_name(to);
        if (to_name == NULL) {
                kfree(from_name);
                return -ENOMEM;
@@ -623,7 +608,7 @@ int hostfs_unlink(struct inode *ino, struct dentry *dentry)
        char *file;
        int err;
 
-       if ((file = inode_dentry_name(ino, dentry)) == NULL)
+       if ((file = dentry_name(dentry)) == NULL)
                return -ENOMEM;
        if (append)
                return -EPERM;
@@ -638,7 +623,7 @@ int hostfs_symlink(struct inode *ino, struct dentry *dentry, const char *to)
        char *file;
        int err;
 
-       if ((file = inode_dentry_name(ino, dentry)) == NULL)
+       if ((file = dentry_name(dentry)) == NULL)
                return -ENOMEM;
        err = make_symlink(file, to);
        kfree(file);
@@ -650,7 +635,7 @@ int hostfs_mkdir(struct inode *ino, struct dentry *dentry, int mode)
        char *file;
        int err;
 
-       if ((file = inode_dentry_name(ino, dentry)) == NULL)
+       if ((file = dentry_name(dentry)) == NULL)
                return -ENOMEM;
        err = do_mkdir(file, mode);
        kfree(file);
@@ -662,7 +647,7 @@ int hostfs_rmdir(struct inode *ino, struct dentry *dentry)
        char *file;
        int err;
 
-       if ((file = inode_dentry_name(ino, dentry)) == NULL)
+       if ((file = dentry_name(dentry)) == NULL)
                return -ENOMEM;
        err = do_rmdir(file);
        kfree(file);
@@ -682,7 +667,7 @@ int hostfs_mknod(struct inode *dir, struct dentry *dentry, int mode, dev_t dev)
        }
 
        err = -ENOMEM;
-       name = dentry_name(dentry, 0);
+       name = dentry_name(dentry);
        if (name == NULL)
                goto out_put;
 
@@ -715,9 +700,9 @@ int hostfs_rename(struct inode *from_ino, struct dentry *from,
        char *from_name, *to_name;
        int err;
 
-       if ((from_name = inode_dentry_name(from_ino, from)) == NULL)
+       if ((from_name = dentry_name(from)) == NULL)
                return -ENOMEM;
-       if ((to_name = inode_dentry_name(to_ino, to)) == NULL) {
+       if ((to_name = dentry_name(to)) == NULL) {
                kfree(from_name);
                return -ENOMEM;
        }
@@ -735,7 +720,7 @@ int hostfs_permission(struct inode *ino, int desired)
        if (desired & MAY_READ) r = 1;
        if (desired & MAY_WRITE) w = 1;
        if (desired & MAY_EXEC) x = 1;
-       name = inode_name(ino, 0);
+       name = inode_name(ino);
        if (name == NULL)
                return -ENOMEM;
 
@@ -801,7 +786,7 @@ int hostfs_setattr(struct dentry *dentry, struct iattr *attr)
        if (attr->ia_valid & ATTR_MTIME_SET) {
                attrs.ia_valid |= HOSTFS_ATTR_MTIME_SET;
        }
-       name = dentry_name(dentry, 0);
+       name = dentry_name(dentry);
        if (name == NULL)
                return -ENOMEM;
        err = set_attr(name, &attrs, fd);
@@ -856,7 +841,7 @@ int hostfs_link_readpage(struct file *file, struct page *page)
        int err;
 
        buffer = kmap(page);
-       name = inode_name(page->mapping->host, 0);
+       name = inode_name(page->mapping->host);
        if (name == NULL)
                return -ENOMEM;
        err = hostfs_do_readlink(name, buffer, PAGE_CACHE_SIZE);