remove unecessary return.

Once the unmatched stride IO mode is detected, shrink the stride-ahead window to 0.
if it does hit cache miss, and read-pattern is still stride-io mode,
does not reset the stride window, but also does not increase the stride
window length in this case.
b=17197
i=Nikita
i=Andreas

i=johann
i=adilger
coverity fix.  thought I landed this awhile ago, but apparently not...

b=17491
i=nathan
i=rread

Quick fix patch from behlendorf1@llnl.gov.

b=16680
i=adilger, kalpak (o=bzzz)

Detect on-disk corruption of block bitmap and better checking of preallocated blocks.

b=17089
i=wangdi

fix mistake made when the patch was landed.

b=17093
o=Btian Behlendorf (behlendorf1@llnl.gov) for mgs part
o=E. Gryaznova (grev) for test framework
i=nathan.rutman
i=adilger

Do writeconf only explicitly required.

b=17385
i=green
i=shadow

grab lock reference when the lock is added to the waiting or expired list.

handle the problem of test_120a in sanity.sh: 1 cancel RPC occured

b=14502
i=adilger
i=grev

handle "Unexpected: can't find mdc_open_data,
but the close succeed, Please tell <http://bugzilla.lustre.org/>."
printed in mdc_close in mdc_request.c
b=17089
i=johann

i=Adilger
i=Tappro
init facets vars for mounted lustre

i=Nathan
skip replay/recovery tests if remote MDS/OSS with nodsh
lost_test55 fix

handle errors returned by lustre_swab_re{q,p}buf in quota_get_qdata() and
quota_copy_qdata()
b=17324
i=johann
i=panda

without protection.

Branch b1_6
b=16693
i=umka
i=tappro

i_no, this produce wrong order for locking during open, and parallel
unlink can be lock open. this need teach mds_open to grab locks in
resouce id order, not at parent -> child order.

Branch b1_6
b=16492
i=johann
i=alex

i=Nathan

skip replay/recovery tests if remote MDS/OSS with nodsh
lost test_27 fix

r=tappro

- small fix from Mike

b=12800
o=alex.zhuravlev
i=kalpak
i=adilger

Add support for tunable preallocation window and new tunables for large/small requests

r=adilger,deen

- missed lustre_put_lsi() in couple of places;

- do not call deregister_mount() in mount error path, this makes it impossible for MDT to do put_mount() and thus, its lsi left not released;

- fixes error handling with llog_setup/llog_cleanup in couple of places;
- fixes error handling after hash_init errors in class_setup();
- cleanups.

b=17302
i=Johann Lombardi
i=ZhiYong Tian

fix error output messages

i=Johann
recovery-small exception for FAILURE_MODE=HARD and mixed ost devices

i=Nikita
do_nodes fix for case when list contains a single node $HOSTNAME

o=Adilger
i=grev
skip replay/recovery tests if remote MDS/OSS with nodsh

b=16551 (att 19835)
i=Nathan
do skip_rem[mds|ost] check only if test suit is run; fail acc-sm if
tests suits were skipped due to nodsh

b=17326
i=Alexey.Lyashkov
remove now-useless remount/reconfig for liblustre;
always add accept=all fo lnet module

b=1819
i=adilger
i=nathan

Add an import file to the osc, mdc, and mgc proc dir,
and include test for new proc file.

r=adilger,johann

- handle log_cancel resent correctly;
- some cleanups in llog.

r=wangdi,shadow

- fixes killing alive objecgt on ost in recovery time due to wrong logid added to catalog;
- some cleanups.

fix the test_19 of sanity-quota.sh
b=14909
i=johann

Fix autoconf messages.

Add in OBD_CONNECT flags from b1_8 so that they are not mistakenly used for
something else.

Quiet printf format warning.

b=17357
i=johann, shadow, bobijam

Reset rep_swap_mask to prevent confuse after resend.

i=Adilger
fix for remote [mds|ost] with nodsh

i=Adilger
fix for remote [mds|ost] with nodsh

i=Brian
create machinefile on $TMP, cleanup machinefile

b=17151
i=nathan, adilger
patch provide by LLNL

Validate ptlrpc body checksum before swabbing.

b=17038
i=johannn

regression test case for getxattr upon symlink file.

b=17302
i=Johann Lombardi
i=ZhiYong Tian

pass QFMT through qc_id to be compatible with older Lustre versions

i=Adilger
replace lustre proc by lctl [set|get]_param

i=Nathan
fix obsolete run_one CLEANUP