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Date:   Thu,  6 Jun 2019 08:51:53 -0700
From:   Eric Biggers <>
Cc:,,,,, Jaegeuk Kim <>,
        "Theodore Y . Ts'o" <>,
        Victor Hsieh <>,
        Dave Chinner <>,
        Christoph Hellwig <>,
        "Darrick J . Wong" <>,
        Linus Torvalds <>
Subject: [PATCH v4 04/16] fs: uapi: define verity bit for FS_IOC_GETFLAGS

From: Eric Biggers <>

Add FS_VERITY_FL to the flags for FS_IOC_GETFLAGS, so that applications
can easily determine whether a file is a verity file at the same time as
they're checking other file flags.  This flag will be gettable only;
FS_IOC_SETFLAGS won't allow setting it, since an ioctl must be used
instead to provide more parameters.

This flag matches the on-disk bit that was already allocated for ext4.

Signed-off-by: Eric Biggers <>
 include/uapi/linux/fs.h | 1 +
 1 file changed, 1 insertion(+)

diff --git a/include/uapi/linux/fs.h b/include/uapi/linux/fs.h
index 59c71fa8c553..df261b7e0587 100644
--- a/include/uapi/linux/fs.h
+++ b/include/uapi/linux/fs.h
@@ -306,6 +306,7 @@ struct fscrypt_key {
 #define FS_TOPDIR_FL			0x00020000 /* Top of directory hierarchies*/
 #define FS_HUGE_FILE_FL			0x00040000 /* Reserved for ext4 */
 #define FS_EXTENT_FL			0x00080000 /* Extents */
+#define FS_VERITY_FL			0x00100000 /* Verity protected inode */
 #define FS_EA_INODE_FL			0x00200000 /* Inode used for large EA */
 #define FS_EOFBLOCKS_FL			0x00400000 /* Reserved for ext4 */
 #define FS_NOCOW_FL			0x00800000 /* Do not cow file */

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