Can some one here explain why accessing a NFSv4/ZFS xattr directory
through proc is forbidden?
To explain the problem in shell code (cd -@ is a new option to enter
the XATTR store, redirect {n}... opens a file or directory and
assigns the fd number to variable 'n'):
ksh -c 'touch x ; cd -@ x ;
On Fri, Jul 13, 2012 at 2:16 AM, ольга крыжановская
olga.kryzhanov...@gmail.com wrote:
Can some one here explain why accessing a NFSv4/ZFS xattr directory
through proc is forbidden?
[...]
truss says the syscall fails with
open(/proc/3988/fd/10/myxattr, O_WRONLY|O_CREAT|O_TRUNC, 0666) Err#13
Yes, accessing the files through runat works.
I think /proc (and /dev/fd, which has the same trouble but only works
if the same process accesses the fds, for obvious reasons since
/dev/fd is per process and can not be shared between processes unlike
/proc/$pid/fd/) gets confused because the
