linux-ext4 - [PATCH 4/7] Add S_VERITY and IS

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Message-Id: <20181119052324.31456-5-chandan@linux.vnet.ibm.com>
Date:   Mon, 19 Nov 2018 10:53:21 +0530
From:   Chandan Rajendra <chandan@...ux.vnet.ibm.com>
To:     linux-fscrypt@...r.kernel.org, linux-ext4@...r.kernel.org,
        linux-f2fs-devel@...ts.sourceforge.net
Cc:     Chandan Rajendra <chandan@...ux.vnet.ibm.com>, ebiggers@...nel.org,
        tytso@....edu
Subject: [PATCH 4/7] Add S_VERITY and IS_VERITY()

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@...ux.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 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) */
 
 /*
  * 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