[PATCH] relayfs: remove unused alloc/destroy_inode()
Tom Zanussi [Sun, 8 Jan 2006 09:02:26 +0000 (01:02 -0800)]
Since we're no longer using relayfs_inode_info, remove relayfs_alloc_inode()
and relayfs_destroy_inode() along with the relayfs inode cache.

Signed-off-by: Tom Zanussi <zanussi@us.ibm.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

fs/relayfs/inode.c
include/linux/relayfs_fs.h

index 7f6d2c8..b4c3e04 100644 (file)
@@ -26,7 +26,6 @@
 
 static struct vfsmount *               relayfs_mount;
 static int                             relayfs_mount_count;
-static kmem_cache_t *                  relayfs_inode_cachep;
 
 static struct backing_dev_info         relayfs_backing_dev_info = {
        .ra_pages       = 0,    /* No readahead */
@@ -499,34 +498,6 @@ out:
        return ret;
 }
 
-/**
- *     relayfs alloc_inode() implementation
- */
-static struct inode *relayfs_alloc_inode(struct super_block *sb)
-{
-       struct relayfs_inode_info *p = kmem_cache_alloc(relayfs_inode_cachep, SLAB_KERNEL);
-       if (!p)
-               return NULL;
-       p->data = NULL;
-
-       return &p->vfs_inode;
-}
-
-/**
- *     relayfs destroy_inode() implementation
- */
-static void relayfs_destroy_inode(struct inode *inode)
-{
-       kmem_cache_free(relayfs_inode_cachep, RELAYFS_I(inode));
-}
-
-static void init_once(void *p, kmem_cache_t *cachep, unsigned long flags)
-{
-       struct relayfs_inode_info *i = p;
-       if ((flags & (SLAB_CTOR_VERIFY | SLAB_CTOR_CONSTRUCTOR)) == SLAB_CTOR_CONSTRUCTOR)
-               inode_init_once(&i->vfs_inode);
-}
-
 struct file_operations relayfs_file_operations = {
        .open           = relayfs_open,
        .poll           = relayfs_poll,
@@ -539,8 +510,6 @@ struct file_operations relayfs_file_operations = {
 static struct super_operations relayfs_ops = {
        .statfs         = simple_statfs,
        .drop_inode     = generic_delete_inode,
-       .alloc_inode    = relayfs_alloc_inode,
-       .destroy_inode  = relayfs_destroy_inode,
 };
 
 static int relayfs_fill_super(struct super_block * sb, void * data, int silent)
@@ -584,25 +553,12 @@ static struct file_system_type relayfs_fs_type = {
 
 static int __init init_relayfs_fs(void)
 {
-       int err;
-
-       relayfs_inode_cachep = kmem_cache_create("relayfs_inode_cache",
-                               sizeof(struct relayfs_inode_info), 0,
-                               0, init_once, NULL);
-       if (!relayfs_inode_cachep)
-               return -ENOMEM;
-
-       err = register_filesystem(&relayfs_fs_type);
-       if (err)
-               kmem_cache_destroy(relayfs_inode_cachep);
-
-       return err;
+       return register_filesystem(&relayfs_fs_type);
 }
 
 static void __exit exit_relayfs_fs(void)
 {
        unregister_filesystem(&relayfs_fs_type);
-       kmem_cache_destroy(relayfs_inode_cachep);
 }
 
 module_init(init_relayfs_fs)
index 921540b..8200ecb 100644 (file)
@@ -65,20 +65,6 @@ struct rchan
 };
 
 /*
- * Relayfs inode
- */
-struct relayfs_inode_info
-{
-       struct inode vfs_inode;
-       void *data;
-};
-
-static inline struct relayfs_inode_info *RELAYFS_I(struct inode *inode)
-{
-       return container_of(inode, struct relayfs_inode_info, vfs_inode);
-}
-
-/*
  * Relay channel client callbacks
  */
 struct rchan_callbacks