Messages in this thread | | | Date | Thu, 3 May 2012 09:07:07 -0400 | From | Ted Ts'o <> | Subject | Re: [PATCH] open(2): document O_PATH |
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On Thu, May 03, 2012 at 01:57:21PM +0530, Aneesh Kumar K.V wrote: > > fstat won't work, but fstatat with an empty path name would work. O_PATH > descriptors are suppose to be used as "location only descriptors". > We then extended the *at syscalls to work with EMPTY pathnames so that > O_PATH descriptors can be used with readlink, fchownat and fstatat(). > This was done to enable us to do these operation on symlinks. > (65cfc6722361570bfe255698d9cd4dccaf47570d)
Could you define explicitly what you mean by "EMPTY" pathnames? Do you mean a path name that doesn't exist? (i.e., one of the directories specified in the pathname does not currently exist in the directory hierarchy visible to the process).
- Ted
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