Re: [PATCH 5/13: eCryptfs] Header declarations

["Pekka Enberg" <penberg@cs.helsinki.fi>]

On 5/4/06, Phillip Hellewell <phillip@hellewell.homeip.net> wrote:
> +#ifdef OBSERVE_ASSERTS
> +#define ASSERT(EX)                                                           \
> +do {                                                                         \
> +        if (unlikely(!(EX))) {                                                \
> +               printk(KERN_CRIT "ASSERTION FAILED: %s at %s:%d (%s)\n", #EX, \
> +                      __FILE__, __LINE__, __FUNCTION__);                     \
> +                BUG();                                                        \
> +        }                                                                    \
> +} while (0)
> +#else
> +#define ASSERT(EX) ;
> +#endif /* OBSERVE_ASSERTS */

So, what's wrong with BUG_ON?

> +
> +#define ECRYPTFS_FILE_TO_PRIVATE(file) ((struct ecryptfs_file_info *) \
> +                                        ((file)->private_data))
> +#define ECRYPTFS_FILE_TO_PRIVATE_SM(file) ((file)->private_data)
> +#define ECRYPTFS_FILE_TO_LOWER(file) \
> +        ((ECRYPTFS_FILE_TO_PRIVATE(file))->wfi_file)
> +#define ECRYPTFS_INODE_TO_PRIVATE(ino) ((struct ecryptfs_inode_info *) \
> +                                        (ino)->u.generic_ip)
> +#define ECRYPTFS_INODE_TO_PRIVATE_SM(ino) ((ino)->u.generic_ip)
> +#define ECRYPTFS_INODE_TO_LOWER(ino) (ECRYPTFS_INODE_TO_PRIVATE(ino)->wii_inode)
> +#define ECRYPTFS_SUPERBLOCK_TO_PRIVATE(super) ((struct ecryptfs_sb_info *) \
> +                                               (super)->s_fs_info)
> +#define ECRYPTFS_SUPERBLOCK_TO_PRIVATE_SM(super) ((super)->s_fs_info)
> +#define ECRYPTFS_SUPERBLOCK_TO_LOWER(super) \
> +        (ECRYPTFS_SUPERBLOCK_TO_PRIVATE(super)->wsi_sb)
> +#define ECRYPTFS_DENTRY_TO_PRIVATE_SM(dentry) ((dentry)->d_fsdata)
> +#define ECRYPTFS_DENTRY_TO_PRIVATE(dentry) ((struct ecryptfs_dentry_info *) \
> +                                            (dentry)->d_fsdata)
> +#define ECRYPTFS_DENTRY_TO_LOWER(dentry) \
> +        (ECRYPTFS_DENTRY_TO_PRIVATE(dentry)->wdi_dentry)

Static inline functions, please.

> +
> +#define ecryptfs_printk(type, fmt, arg...) \
> +        __ecryptfs_printk(type "%s: " fmt, __FUNCTION__, ## arg);
> +void __ecryptfs_printk(const char *fmt, ...);

Why not plain printk?

> +extern kmem_cache_t *ecryptfs_auth_tok_list_item_cache;
> +extern kmem_cache_t *ecryptfs_file_info_cache;
> +extern kmem_cache_t *ecryptfs_dentry_info_cache;
> +extern kmem_cache_t *ecryptfs_inode_info_cache;
> +extern kmem_cache_t *ecryptfs_sb_info_cache;
> +extern kmem_cache_t *ecryptfs_header_cache_0;
> +extern kmem_cache_t *ecryptfs_header_cache_1;
> +extern kmem_cache_t *ecryptfs_header_cache_2;
> +extern kmem_cache_t *ecryptfs_lower_page_cache;

Please use struct kmem_cache instead.