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linux/fs/proc
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Eric W. Biederman 7b2a69ba70 Revert "vfs: show unreachable paths in getcwd and proc" 
Because it caused a chroot ttyname regression in 2.6.36.

As of 2.6.36 ttyname does not work in a chroot.  It has already been
reported that screen breaks, and for me this breaks an automated
distribution testsuite, that I need to preserve the ability to run the
existing binaries on for several more years.  glibc 2.11.3 which has a
fix for this is not an option.

The root cause of this breakage is:

    commit 8df9d1a414
    Author: Miklos Szeredi <mszeredi@suse.cz>
    Date:   Tue Aug 10 11:41:41 2010 +0200

    vfs: show unreachable paths in getcwd and proc

    Prepend "(unreachable)" to path strings if the path is not reachable
    from the current root.

    Two places updated are
     - the return string from getcwd()
     - and symlinks under /proc/$PID.

    Other uses of d_path() are left unchanged (we know that some old
    software crashes if /proc/mounts is changed).

    Signed-off-by: Miklos Szeredi <mszeredi@suse.cz>
    Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>

So remove the nice sounding, but ultimately ill advised change to how
/proc/fd symlinks work.

Signed-off-by: "Eric W. Biederman" <ebiederm@xmission.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2010-12-05 16:39:45 -08:00
..
array.c CRED: Fix get_task_cred() and task_state() to not resurrect dead credentials 2010-07-29 15:16:17 -07:00
base.c Revert "vfs: show unreachable paths in getcwd and proc" 2010-12-05 16:39:45 -08:00
cmdline.c proc: switch /proc/cmdline to seq_file 2008-10-23 14:29:04 +04:00
cpuinfo.c proc: move /proc/cpuinfo code to fs/proc/cpuinfo.c 2008-10-23 15:05:11 +04:00
devices.c proc: move /proc/devices code to fs/proc/devices.c 2008-10-23 15:02:18 +04:00
generic.c remove inode_setattr 2010-08-09 16:47:37 -04:00
inode.c BKL: remove extraneous #include <smp_lock.h> 2010-11-17 08:59:32 -08:00
internal.h proc: rename de_get() to pde_get() and inline it 2009-12-16 07:19:57 -08:00
interrupts.c proc: move /proc/interrupts boilerplate code to fs/proc/interrupts.c 2008-10-23 15:15:46 +04:00
Kconfig vmcore: it is not experimental any more 2010-10-26 16:52:05 -07:00
kcore.c kcore: add _text to KCORE_TEXT 2010-05-27 09:12:47 -07:00
kmsg.c procfs: Use generic_file_llseek in /proc/kmsg 2010-04-09 16:35:41 +02:00
loadavg.c sched, timers: cleanup avenrun users 2009-05-15 15:32:45 +02:00
Makefile procfs: simplify conditional processing of fs/proc.o. 2010-08-11 08:59:20 -07:00
meminfo.c hwpoison: fix/proc/meminfo alignment 2009-10-29 07:39:25 -07:00
mmu.c
nommu.c include cleanup: Update gfp.h and slab.h includes to prepare for breaking implicit slab.h inclusion from percpu.h 2010-03-30 22:02:32 +09:00
page.c proc: export uncached bit properly in /proc/kpageflags 2010-09-09 18:57:23 -07:00
proc_devtree.c of: Drop properties with "/" in their name 2010-06-13 18:12:24 -06:00
proc_net.c include cleanup: Update gfp.h and slab.h includes to prepare for breaking implicit slab.h inclusion from percpu.h 2010-03-30 22:02:32 +09:00
proc_sysctl.c fs: do not assign default i_ino in new_inode 2010-10-25 21:26:11 -04:00
proc_tty.c Revert "tty: Add a new file /proc/tty/consoles" 2010-10-23 08:14:12 -07:00
root.c switch procfs to ->mount() 2010-10-29 04:17:01 -04:00
softirqs.c procfs: fix /proc/softirqs formatting 2010-10-27 18:03:13 -07:00
stat.c /proc/stat: fix scalability of irq sum of all cpu 2010-10-27 18:03:13 -07:00
task_mmu.c pagemap: set pagemap walk limit to PMD boundary 2010-11-25 06:50:46 +09:00
task_nommu.c nommu: add '[stack]' label to /proc/pid/maps output 2010-06-29 15:29:30 -07:00
uptime.c [PATCH] Fix idle time field in /proc/uptime 2009-09-24 10:16:24 +02:00
version.c
vmcore.c /proc/vmcore: fix seeking 2010-09-22 17:22:38 -07:00