Re: [PATCH V2 4/7] Add S_VERITY and IS_VERITY()

Eric Biggers
2018-12-04T23:49:12Z

On Tue, Dec 04, 2018 at 03:26:47PM +0530, Chandan Rajendra wrote:
> Similar to S_ENCRYPTED/IS_ENCRYPTED(), this commit adds
> S_VERITY/IS_VERITY() to be able to check if a VFS inode has verity
> information associated with it.
>
> Signed-off-by: Chandan Rajendra <chandan@linux.vnet.ibm.com>
> ---
> include/linux/fs.h | 2 ++
> 1 file changed, 2 insertions(+)
>
> diff --git a/include/linux/fs.h b/include/linux/fs.h
> index 389a35e028bf..de602d9f8d0e 100644
> --- a/include/linux/fs.h
> +++ b/include/linux/fs.h
> @@ -1938,6 +1938,7 @@ struct super_operations {
> #define S_DAX 0 /* Make all the DAX code disappear */
> #endif
> #define S_ENCRYPTED 16384 /* Encrypted file (using fs/crypto/) */
> +#define S_VERITY 32768 /* Verity file (using fs/verity/) */
>
> /*
> * Note that nosuid etc flags are inode-specific: setting some file-system
> @@ -1978,6 +1979,7 @@ static inline bool sb_rdonly(const struct super_block *sb) { return sb->s_flags
> #define IS_NOSEC(inode) ((inode)->i_flags & S_NOSEC)
> #define IS_DAX(inode) ((inode)->i_flags & S_DAX)
> #define IS_ENCRYPTED(inode) ((inode)->i_flags & S_ENCRYPTED)
> +#define IS_VERITY(inode) ((inode)->i_flags & S_VERITY)
>
> #define IS_WHITEOUT(inode) (S_ISCHR(inode->i_mode) && \
> (inode)->i_rdev == WHITEOUT_DEV)
> --
> 2.19.1
>

Reviewed-by: Eric Biggers <ebiggers@google.com>