Re: [PATCH v4 0/2] Add further ioctl() operations for namespace discovery

2017-02-08 Thread Michael Kerrisk (man-pages)
Hi Eric, On 3 February 2017 at 03:34, Eric W. Biederman wrote: > ebied...@xmission.com (Eric W. Biederman) writes: > >> "Michael Kerrisk (man-pages)" writes: >> >> >>> On 25 January 2017 at 15:28, Eric W. Biederman >>> wrote: >> My concern is that the difference between returning -EOVERFL

Re: [PATCH v4 0/2] Add further ioctl() operations for namespace discovery

2017-02-02 Thread Eric W. Biederman
ebied...@xmission.com (Eric W. Biederman) writes: > "Michael Kerrisk (man-pages)" writes: > > >> On 25 January 2017 at 15:28, Eric W. Biederman wrote: > >>> My concern is that the difference between returning -EOVERFLOW and >>> overflow_uid is primarily about usability. If you haven't played wi

Re: [PATCH v4 0/2] Add further ioctl() operations for namespace discovery

2017-01-25 Thread Eric W. Biederman
"Michael Kerrisk (man-pages)" writes: > On 25 January 2017 at 15:28, Eric W. Biederman wrote: >> My concern is that the difference between returning -EOVERFLOW and >> overflow_uid is primarily about usability. If you haven't played with >> the usability I don't trust that we have made the pro

Re: [PATCH v4 0/2] Add further ioctl() operations for namespace discovery

2017-01-24 Thread Michael Kerrisk (man-pages)
Hi Eric, On 25 January 2017 at 15:28, Eric W. Biederman wrote: > ebied...@xmission.com (Eric W. Biederman) writes: > >> "Michael Kerrisk (man-pages)" writes: >> >>> Hi Eric, >>> >>> On 25 January 2017 at 14:58, Eric W. Biederman >>> wrote: "Michael Kerrisk (man-pages)" writes: >

Re: [PATCH v4 0/2] Add further ioctl() operations for namespace discovery

2017-01-24 Thread Eric W. Biederman
ebied...@xmission.com (Eric W. Biederman) writes: > "Michael Kerrisk (man-pages)" writes: > >> Hi Eric, >> >> On 25 January 2017 at 14:58, Eric W. Biederman wrote: >>> "Michael Kerrisk (man-pages)" writes: >>> I would like to write code that discovers the namespace setup on a live sys

Re: [PATCH v4 0/2] Add further ioctl() operations for namespace discovery

2017-01-24 Thread Michael Kerrisk (man-pages)
Hi Eric, On 25 January 2017 at 14:58, Eric W. Biederman wrote: > "Michael Kerrisk (man-pages)" writes: > >> I would like to write code that discovers the namespace setup on a live >> system. The NS_GET_PARENT and NS_GET_USERNS ioctl() operations added in >> Linux 4.9 provide much of what I want

Re: [PATCH v4 0/2] Add further ioctl() operations for namespace discovery

2017-01-24 Thread Eric W. Biederman
"Michael Kerrisk (man-pages)" writes: > Hi Eric, > > On 25 January 2017 at 14:58, Eric W. Biederman wrote: >> "Michael Kerrisk (man-pages)" writes: >> >>> I would like to write code that discovers the namespace setup on a live >>> system. The NS_GET_PARENT and NS_GET_USERNS ioctl() operations

Re: [PATCH v4 0/2] Add further ioctl() operations for namespace discovery

2017-01-24 Thread Eric W. Biederman
"Michael Kerrisk (man-pages)" writes: > I would like to write code that discovers the namespace setup on a live > system. The NS_GET_PARENT and NS_GET_USERNS ioctl() operations added in > Linux 4.9 provide much of what I want, but there are still a couple of > small pieces missing. Those pieces

[PATCH v4 0/2] Add further ioctl() operations for namespace discovery

2017-01-24 Thread Michael Kerrisk (man-pages)
I would like to write code that discovers the namespace setup on a live system. The NS_GET_PARENT and NS_GET_USERNS ioctl() operations added in Linux 4.9 provide much of what I want, but there are still a couple of small pieces missing. Those pieces are added with this patch series. Here's an exa