Revert more verbose debugging code in Lustre for 1.6.7.1 release.
b=18426

o=Adilger
i=grev
i=Johann
write-append-truncate cleanup

b=18810

add changelog entry for bug 18810.

b=18695
i=adilger
i=shadow

don't update i_size on MDS_CLOSE for directories.

b=18810

i=alex, joahnn

Fix race between read_block_bitmap() and mark_diskspace_used().

b=18895
i=tappro
i=alexey.lyashkov (shadow)

when mds_setup() fails the error handle path needs clean possibly built
nid_stat which builds nid_proc on obd's obd_proc_exports_entry.

b=18903
i=eric.mei
i=w.li

typo fix

i=Robert.Read
acc-sm new TYPE2_TESTS testsuite

i=Alexey.Lyashkov
test_48: cleanup properly

b=16891
i=Vitaly Fertman
i=Johann Lombardi

fix for osc_max_rpc_in_flight

b=18859
i=oleg.drokin
i=alexey.lyashkov

Don't do server-side locking if LL_FILE_IGNORE_LOCK is set. Otherwise we  have
a deadlock between server-side extent lock and a group lock owned by the same
client.

i=Adilger
do df before /proc access

i=Adilger
new mdsrate --ignore option for mdsrate tests cleanup

i=H.Huang
sanity test_170 fix

add more At debug info and fix a problem in test_68 in replay-single.sh
b=18426
i=nathan.rutman

i=adilger
i=h.huang

changes to regression test after landing 17846 Lustre patch. make sure all files are not extracted on OST id 0

b=18154
i=alexey.lyashkov (shadow)
i=johann

always calls ptlrpc_import_recovery_state_machine() in
invalidate_import_thread() because otherwise threads sleeping on
the import's imp_recovery_waitq could be never woken up.

clear DISP_OPEN_LOCK flag in "reconstruct_open"
if the corresponding lock was canceled

i=Green
i=Johann

i=Adilger
exhaust_precreations, reset_enospc, test_27n, test_27s fixes

o=Adilger
i=Oleg.Drokin
i=grev
make racer harder

i=Adilger
test_170: check that log files were created

i=Alex.Zhuravlev
sanity test_80, t-f localize var fix

b=15428
r=adilger

Fixed a crash issue for raid56-zerocopy

i=Oleg.Drokin
add flock to default mount opts

b=16488
i=Oleg.Drokin
RACER acc-sm test suit

i=adilger

run the test in separate directory

r=adilger

Fix a crash issue for raid5 zercopy patch.

i=Johann
test_5 ENOSPC fix

r=adilger,shadow

Update offset calculations for 32 bit platforms

b=18374
i=johann (patch from Tappro)
i=shadow

Return only valid cookies, empty slot for failed ones.
This fixes a memory corruption causing random oops.

b=18374
i=shadow
i=tappro

Wait for mds_fl_synced to be set during recovery before allowing clients
to reconnect. This is done to make sure that llog is properly set up.

b=18067
i=johann
i=adilger

Change oap magic LASSERT into LASSERTF to aid debugging.

i=Johann
test_53* fix: rm dirs used at start

b=17895
i=adilger
i=alex

While using HA for Lustre servers with Linux RAID, it is possible that MMP will not detect multiple mounts. To make this work we need to unplug the device queue in RAID when the MMP block is being written. Also while reading the MMP block, we should read it from disk and not the cached one.