From: Andrey Albershteyn <aalbersh@xxxxxxxxxx>
Add flag to mark inodes which have fs-verity enabled on them (i.e.
descriptor exist and tree is built).
Signed-off-by: Andrey Albershteyn <aalbersh@xxxxxxxxxx>
Reviewed-by: Darrick J. Wong <djwong@xxxxxxxxxx>
Signed-off-by: Darrick J. Wong <djwong@xxxxxxxxxx>
---
fs/xfs/libxfs/xfs_format.h | 5 ++++-
fs/xfs/libxfs/xfs_inode_util.c | 2 ++
fs/xfs/xfs_iops.c | 2 ++
3 files changed, 8 insertions(+), 1 deletion(-)
diff --git a/fs/xfs/libxfs/xfs_format.h b/fs/xfs/libxfs/xfs_format.h
index 1532d37fd1029..e7ed55f747d01 100644
--- a/fs/xfs/libxfs/xfs_format.h
+++ b/fs/xfs/libxfs/xfs_format.h
@@ -1207,6 +1207,7 @@ static inline void xfs_dinode_put_rdev(struct xfs_dinode *dip, xfs_dev_t rdev)
#define XFS_DIFLAG2_COWEXTSIZE_BIT 2 /* copy on write extent size hint */
#define XFS_DIFLAG2_BIGTIME_BIT 3 /* big timestamps */
#define XFS_DIFLAG2_NREXT64_BIT 4 /* large extent counters */
+#define XFS_DIFLAG2_VERITY_BIT 5 /* inode sealed by fsverity */
#define XFS_DIFLAG2_METADIR_BIT 63 /* filesystem metadata */
#define XFS_DIFLAG2_DAX (1ULL << XFS_DIFLAG2_DAX_BIT)
@@ -1214,6 +1215,7 @@ static inline void xfs_dinode_put_rdev(struct xfs_dinode *dip, xfs_dev_t rdev)
#define XFS_DIFLAG2_COWEXTSIZE (1ULL << XFS_DIFLAG2_COWEXTSIZE_BIT)
#define XFS_DIFLAG2_BIGTIME (1ULL << XFS_DIFLAG2_BIGTIME_BIT)
#define XFS_DIFLAG2_NREXT64 (1ULL << XFS_DIFLAG2_NREXT64_BIT)
+#define XFS_DIFLAG2_VERITY (1ULL << XFS_DIFLAG2_VERITY_BIT)
/*
* The inode contains filesystem metadata and can be found through the metadata
@@ -1242,7 +1244,8 @@ static inline void xfs_dinode_put_rdev(struct xfs_dinode *dip, xfs_dev_t rdev)
#define XFS_DIFLAG2_ANY \
(XFS_DIFLAG2_DAX | XFS_DIFLAG2_REFLINK | XFS_DIFLAG2_COWEXTSIZE | \
- XFS_DIFLAG2_BIGTIME | XFS_DIFLAG2_NREXT64 | XFS_DIFLAG2_METADIR)
+ XFS_DIFLAG2_BIGTIME | XFS_DIFLAG2_NREXT64 | XFS_DIFLAG2_METADIR | \
+ XFS_DIFLAG2_VERITY)
static inline bool xfs_dinode_has_bigtime(const struct xfs_dinode *dip)
{
diff --git a/fs/xfs/libxfs/xfs_inode_util.c b/fs/xfs/libxfs/xfs_inode_util.c
index a448e4a2a3e59..fcea20ad675e8 100644
--- a/fs/xfs/libxfs/xfs_inode_util.c
+++ b/fs/xfs/libxfs/xfs_inode_util.c
@@ -127,6 +127,8 @@ xfs_ip2xflags(
flags |= FS_XFLAG_DAX;
if (ip->i_diflags2 & XFS_DIFLAG2_COWEXTSIZE)
flags |= FS_XFLAG_COWEXTSIZE;
+ if (ip->i_diflags2 & XFS_DIFLAG2_VERITY)
+ flags |= FS_XFLAG_VERITY;
}
if (xfs_inode_has_attr_fork(ip))
diff --git a/fs/xfs/xfs_iops.c b/fs/xfs/xfs_iops.c
index b453d5966bfc7..b0672af049043 100644
--- a/fs/xfs/xfs_iops.c
+++ b/fs/xfs/xfs_iops.c
@@ -1291,6 +1291,8 @@ xfs_diflags_to_iflags(
flags |= S_NOATIME;
if (init && xfs_inode_should_enable_dax(ip))
flags |= S_DAX;
+ if (xflags & FS_XFLAG_VERITY)
+ flags |= S_VERITY;
/*
* S_DAX can only be set during inode initialization and is never set by
