Re: [PATCH 3/3] Add a pair of system calls to make extended file stats available

From: Arnd Bergmann
Date: Wed Jun 30 2010 - 04:21:21 EST

On Tuesday 29 June 2010 22:03:15 David Howells wrote:
> ssize_t ret = xstat(int dfd,
> const char *filename,
> unsigned atflag,
> struct xstat *buffer,
> size_t buflen);
> ssize_t ret = fxstat(int fd,
> struct xstat *buffer,
> size_t buflen);
> The dfd, filename, atflag and fd parameters indicate the file to query. There
> is no equivalent of lstat() as that can be emulated with xstat(), passing 0
> instead of AT_SYMLINK_NOFOLLOW as atflag.

Do we actually need the fxstat variant? IIRC, some *at syscalls just
operate on dfd when filename==NULL, which would be trivial to do here.

To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at
Please read the FAQ at