[V2,4/7] Add S_VERITY and IS_VERITY()

Message ID 20181204095650.12562-5-chandan@linux.vnet.ibm.com
State Superseded
Headers show
Series
  • Remove fs specific fscrypt and fsverity build config options
Related show

Commit Message

Chandan Rajendra Dec. 4, 2018, 9:56 a.m.
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(+)

Comments

Eric Biggers Dec. 4, 2018, 11:49 p.m. | #1
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>

Patch

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)