On Thu, Apr 06, 2017 at 09:35:55AM +0100, David Howells wrote: ... > diff --git a/src/statx.h b/src/statx.h > new file mode 100644 > index 0000000..711d1ba > --- /dev/null > +++ b/src/statx.h > @@ -0,0 +1,166 @@ > +#ifndef STATX_H > +#define STATX_H > + > +#include <unistd.h> > +#include <linux/types.h> > + > +#ifndef AT_STATX_SYNC_TYPE > +#define AT_STATX_SYNC_TYPE 0x6000 /* Type of synchronisation required from statx() */ > +#define AT_STATX_SYNC_AS_STAT 0x0000 /* - Do whatever stat() does */ > +#define AT_STATX_FORCE_SYNC 0x2000 /* - Force the attributes to be sync'd with the server */ > +#define AT_STATX_DONT_SYNC 0x4000 /* - Don't sync attributes with the server */ > +#endif > + > +#ifndef AT_NO_AUTOMOUNT > +#define AT_NO_AUTOMOUNT 0x800 /* Suppress terminal automount traversal */ > +#endif > + > +#ifdef __i386__ > +#define __NR_statx 383 > +#elif defined (__ILP32__) > +#define __NR_statx (__X32_SYSCALL_BIT + 332) > +#else > +#define __NR_statx 332 > +#endif I gave it more tests today on ppc64 host, and test failed as QA output created by 422 Test statx on a fifo +/mnt/xfstests/mnt1/422-fifo: Bad file descriptor +stat_test failed Test statx on a chardev ... and strace showed it was calling into getpeername(2) (AT_FDCWD == -100) getpeername(-100, 0x3fffd498f491, 0x100) = -1 EBADF (Bad file descriptor) Perhaps we should add a new autoconf rule in configure.ac and define HAVE_STATX if there's statx support, like what src/renameat2.c does? Thanks, Eryu
