static int __init init_jffs2_fs(void)
{
int ret;
printk(KERN_NOTICE "JFFS2 version 2.1. (C) 2001, 2002 Red Hat, Inc., designed by Axis Communications AB.\n");
#ifdef JFFS2_OUT_OF_KERNEL
/* sanity checks. Could we do these at compile time? */
if (sizeof(struct jffs2_sb_info) > sizeof (((struct super_block *)NULL)->u)) {
printk(KERN_ERR "JFFS2 error: struct jffs2_sb_info (%d bytes) doesn't fit in the super_block union (%d bytes)\n",
sizeof(struct jffs2_sb_info), sizeof (((struct super_block *)NULL)->u));
return -EIO;
}
if (sizeof(struct jffs2_inode_info) > sizeof (((struct inode *)NULL)->u)) {
printk(KERN_ERR "JFFS2 error: struct jffs2_inode_info (%d bytes) doesn't fit in the inode union (%d bytes)\n",
sizeof(struct jffs2_inode_info), sizeof (((struct inode *)NULL)->u));
return -EIO;
}
#endif
ret = jffs2_zlib_init();
if (ret) {
printk(KERN_ERR "JFFS2 error: Failed to initialise zlib workspaces\n");
goto out;
}
ret = jffs2_create_slab_caches();
if (ret) {
printk(KERN_ERR "JFFS2 error: Failed to initialise slab caches\n");
goto out_zlib;
}
ret = register_filesystem(&jffs2_fs_type);
if (ret) {
printk(KERN_ERR "JFFS2 error: Failed to register filesystem\n");
goto out_slab;
}
return 0;
out_slab:
jffs2_destroy_slab_caches();
out_zlib:
jffs2_zlib_exit();
out:
return ret;
}
static int __init init_jffs2_fs(void)
{
int ret;
printk(KERN_INFO "JFFS2 version 2.2."
#ifdef CONFIG_JFFS2_FS_NAND
" (NAND)"
#endif
" (C) 2001-2003 Red Hat, Inc.\n");
jffs2_inode_cachep = kmem_cache_create("jffs2_i",
sizeof(struct jffs2_inode_info),
0, SLAB_HWCACHE_ALIGN|SLAB_RECLAIM_ACCOUNT,
jffs2_i_init_once, NULL);
if (!jffs2_inode_cachep) {
printk(KERN_ERR "JFFS2 error: Failed to initialise inode cache\n");
return -ENOMEM;
}
ret = jffs2_zlib_init();
if (ret) {
printk(KERN_ERR "JFFS2 error: Failed to initialise zlib workspaces\n");
goto out;
}
ret = jffs2_create_slab_caches();
if (ret) {
printk(KERN_ERR "JFFS2 error: Failed to initialise slab caches\n");
goto out_zlib;
}
ret = register_filesystem(&jffs2_fs_type);
if (ret) {
printk(KERN_ERR "JFFS2 error: Failed to register filesystem\n");
goto out_slab;
}
return 0;
out_slab:
jffs2_destroy_slab_caches();
out_zlib:
jffs2_zlib_exit();
out:
return ret;
}
