On Tue, Oct 29, 2019 at 01:41:38PM -0700, Eric Biggers wrote: > From: Eric Biggers <[email protected]> > > 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. > > Signed-off-by: Eric Biggers <[email protected]> > --- > include/linux/stat.h | 3 ++- > include/uapi/linux/stat.h | 2 +- > 2 files changed, 3 insertions(+), 2 deletions(-) > > diff --git a/include/linux/stat.h b/include/linux/stat.h > index 765573dc17d659..528c4baad09146 100644 > --- a/include/linux/stat.h > +++ b/include/linux/stat.h > @@ -33,7 +33,8 @@ struct kstat { > STATX_ATTR_IMMUTABLE | \ > STATX_ATTR_APPEND | \ > STATX_ATTR_NODUMP | \ > - STATX_ATTR_ENCRYPTED \ > + STATX_ATTR_ENCRYPTED | \ > + STATX_ATTR_VERITY \ > )/* Attrs corresponding to FS_*_FL flags */ > u64 ino; > dev_t dev; > diff --git a/include/uapi/linux/stat.h b/include/uapi/linux/stat.h > index 7b35e98d3c58b1..ad80a5c885d598 100644 > --- a/include/uapi/linux/stat.h > +++ b/include/uapi/linux/stat.h > @@ -167,8 +167,8 @@ struct statx { > #define STATX_ATTR_APPEND 0x00000020 /* [I] File is append-only */ > #define STATX_ATTR_NODUMP 0x00000040 /* [I] File is not to be > dumped */ > #define STATX_ATTR_ENCRYPTED 0x00000800 /* [I] File requires key to > decrypt in fs */ > - > #define STATX_ATTR_AUTOMOUNT 0x00001000 /* Dir: Automount trigger */ > +#define STATX_ATTR_VERITY 0x00100000 /* [I] Verity protected file > */
Any reason why this wasn't 0x2000? If there's a manpage update that goes with this, then... Acked-by: Darrick J. Wong <[email protected]> --D > > > #endif /* _UAPI_LINUX_STAT_H */ > -- > 2.24.0.rc1.363.gb1bccd3e3d-goog > _______________________________________________ Linux-f2fs-devel mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/linux-f2fs-devel
