Hi Chandan,
On Mon, Nov 19, 2018 at 10:53:21AM +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 <[email protected]>
> ---
> include/linux/fs.h | 2 ++
> 1 file changed, 2 insertions(+)
>
> diff --git a/include/linux/fs.h b/include/linux/fs.h
> index bcfc40062757..8129617c9718 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 /* File with fsverity info (using fs/verity) */
>
The comment for S_VERITY is misleading because IS_VERITY() is used to check
whether the verity bit is set *before* the fsverity_info is created.
Can you change it to just mirror the fscrypt comment?
#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
>
Thanks,
- Eric
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