Eric Biggers 6f7bd451e3
statx: define STATX_ATTR_VERITY ...
Add a statx attribute bit STATX_ATTR_VERITY which will be set if the
file has fs-verity enabled. This is the statx() equivalent of
FS_VERITY_FL which is returned by FS_IOC_GETFLAGS.
This is useful because it allows applications to check whether a file is
a verity file without opening it. Opening a verity file can be
expensive because the fsverity_info is set up on open, which involves
parsing metadata and optionally verifying a cryptographic signature.
This is analogous to how various other bits are exposed through both
FS_IOC_GETFLAGS and statx(), e.g. the encrypt bit.
Reviewed-by: Andreas Dilger <adilger@dilger.ca >
Acked-by: Darrick J. Wong <darrick.wong@oracle.com >
Signed-off-by: Eric Biggers <ebiggers@google.com >
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6f7bd451e3