better "options lnet" grabbing

r=adilger (original patch and inspection of updates to it)
Some updates so that acceptance-small.sh can be run on a patchless client
using a remote OST and MDT.
Credit goes to adilger.  Most of this is his work.  I just shepherded it
through the process.
My batch of updates to the same end is still to come.  Still to be inspected
in fact.

Print better error messages to understand where test failures are being hit.
b=12557

The 11737 patch causes various kernel crashes; see bug 12549.
Verified by nathan and adilger.
Reverting.

Allow runtests to run with a non-local config.
b=12499

Update multiop to do aligned read/write for O_DIRECT files.
b=11737

Fix lov_mds_md in mdd_create_objects error handler.
Checking whether obd_fail before fsfilt_start.
Free fcc no matter whether fsfilt_commit success or failed.
b=10818
i=adilger
i=green

fix broken test

rather than requested size.

b=11737
i=green
i=shadow

Make sure that the unlinked file actually releases all of the blocks on
disk, otherwise the next test may fail with ENOSPC.
b=12507

r=wangdi,adigler

Take import reference before releasing llog record semaphore

b=12465
i=adilger
skip test 76 if no deathrow/iget

Fix compile warnings/error due to recent lustre-build.m4 commit of _GNU_SOURCE.
Remove some obsolete tests that now had compile warnings.
b=12348

Fix sanity test 78:

1. Detects write failures and failing the test.
2. Writes a file small enough not to fill up any OST.
3. Unlinks the file at the end of the test.

b=12326
i=adilger
i=shadow

Don't run lfscktest.sh if the OSTs are remote.

r=adilger,shadow

Check that request is still eligible for replay in mdc_set_replay_data()
before doing anything.

Fix bug number and ALWAYS_EXCEPT according to nathan's advices, which should
be line up vertically. Disable test_42 again, it seems bug9789 still there.

Type-check arguments against format string in CDEBUG/CERROR, fix warnings
introduced.

Original patch by adilger.

b=12327
i=green
i=isaac

Add ll_getstripe_info to .cvsignore

other tests run. For example runtest.sh, replay-single.sh

This patch corrected these bugs.
b=12190

It is a deadlock between quota and journal.
b=11693
r=green
r=adilger

Clean up compiler warnings in liblustre builds.

Original patch by nic@cray.com.

b=11175
i=green
i=adilger

Add support for the ldiskfs2 fstype.

b=11981
r=adilger
r=nathan

Use eval when changing debug settings to avoid shell-related failures.

b=12081
r=adilger

b=11710
r=alex,green.

increase dirty_ratio and dirty_background_ratio to prevent writeback for test42
b=9789
r=green

i=green
initialize per-export proc in non-recovery case.
report an error when attempting to change failout mode without writeconf

Rename shell and perl scripts to remove .sh and .pl extensions.

b=11985
r=nathan

b=10997
r=adilger

Description: lfs setstripe use optional parameters instead of postional parameters.

Remove "#if FOO" compiler warnings from -Wundef.
(Committed by adilger)

Define FMODE_READ and FMODE_WRITE for use in liblustre
(Committed by green)

Allow test 6 and 7 to be run in isolation.
Fix test file names.
Create test files in $DIR instead of $MOUNT.
(Committed by adilger)

openclose.c: Save errno before calling fprintf().
(Committed by adilger)

sanityN.sh: Kill multiop before exiting, if test fails.
Test is currently excluded, was retesting to see if it worked yet.
b=3192
(Committed by adilger)

r=adilger
r=nathan
r=green

i=adilger
wait until config file is finished before allowing MDT clients to connect

Fixes in b1_4 missing from HEAD:
- enable test 14c (b=4035, b=7040)
- don't print an error because /proc/sys/lustre/fail_loc is missing if
  the lustre is stopped when error() is called
- cleanup echo device after test_28 is done

r=adilger