On Fri, Jul 13, 2012 at 2:16 AM, ольга крыжановская
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 EACCES
>
> Accessing f
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 direct
I don't think that xattrs were ever intended or designed
for /proc content.
I could file an RFE for you if you wish.
Thanks,
Cindy
On 07/13/12 14:00, ольга крыжановская wrote:
Yes, accessing the files through runat works.
I think /proc (and /dev/fd, which has the same trouble but only works
Cindy, I was not trying to open a xattr for files in /proc.
1. Please read the openat() manual page
2. I opened a fd to the directory where the xattrs are in
3. My process, for example pid 123456, now has an open fd, for example
with the number 12, which points to this xattr directory
4. Now I want
