r=wangdi,shadow

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

fix compiling error when CONFIG_QUOTA isn't set.
b=16481
i=shadow
i=panda

b=17026

Reverted inadvertent commit in mds_reint.c.

b=17026
i=shadow
i=oleg

Description: (ptllnd_peer.c:557:kptllnd_peer_check_sends()) ASSERTION(!in_interrupt()) failed
Details: fix stack overflow in the distributed lock manager by defering export
         eviction after a failed ast to the elt thread instead of handling
         it in the dlm interpret routine.

r=adilger,tappro

- if aborting recovery, don't force sync IO to last_rcvd file

Branch b1_6
b=17059
i=ZhiYong Tian
i=Johann Lombardi

Always build client with quota support

Branch b1_6
b=17157
i=johann
i=wangdi

b=16871
i=mikhail.pershin (tappro)
i=johann

Correct set created to clear name and inode when operation fails with EFAULT.

b=16929
i=johann
i=tom.wang (wangdi)
i=alexey.lyashkov (shadow)

Disable join file on MDS on production releases.

r=shadow,vitaly,adilger,robert

- new class_hash.c. Using new hashtable for connections, quota, held locks on mds, etc.

b=15574
i=johann
i=alexey.lyashkov

i=nathan
i=adilger
OST pools on HEAD, comprehensive patch including 17054:19007;
16935:18918,19012,19089,19128; 16978:18872

b=15949
i=adilger
i=shadow

mds_body.capability fix

This patch includes att18982, att18236, att18237,att18983 and att19061 in bz14840.
Slove "quota recovery deadlock during mds failover", it includes:
1. fix osts hang when mds does failover with quotaon
2. prevent watchdog storm when osts threads wait for the
   recovery of mds
b=14840
i=johann
i=shadow
i=panda

i=nathan
i=adilger
add support for understanding pools-striped files in case of a downgrade
to this version

b=16260
i=tianzy
i=panda

The quota master must return EAGAIN to quota request until the config is
processed.

lfs lacks quota support if building with confiugre --disable-modules
b=16481
i=shadow
i=rread

b=16871
i=johann
i=adilger

instead of LASSERTing MDS, return an error when inode created is not what we expect.

Fix file join to get right message buffer.
b=16658
i=tom.wang
i=adilger (oleg.drokin original patch)

make llog more smp safe.
don't write big array into journal.
fix return codes in llog_put_cat_list/llog_get_cat_list.

Branch b1_6
b=16679
i=umka
i=adilger

b=16526
i=adilger
i=johann

r=vitaly,robert

- new class_hash.c and using it in conncetions, nids, etc. Using it for held locks on server will come shortly.

b=16208
i=johann, adilger

Bring down the stack usage

Branch HEAD
b=16826
i=adilger
i=green

b=16570
i=robert.read, h.huang

Make MDS_SETXATTR request replayable.

b=16676
i=Johann Lombardi (johann@sun.com)
i=Zhenyu Xu (zhenyu.xu@sun.com)

add inode locking around vfs-calling critical sections

index of lov target as data parameter.

Branch b1_6
b=16826
i=adilger
i=green

r=shadow,wangdi

- new recov_thread.c code;
- cleanups, fixes

ost count is different between original processing and replay.
not count ost twice in case ost connected before recovery finished.

Branch b_1_6
b=16736
i=tappro
i=green

or write request because the client is already doing a lock match
itself so there isn't any reason the OST should have to re-do that
search.

b=15198
i=johann
i=shadow

Branch b1_6
b=15139
i=tappro
i=rread

drop too big messages, not init llog cat under semphore which
can be blocked on reconnect and break normal replay, fix access
to wrong pointer.


Branch b1_6
b=16679
i=tappro
i=nathan

i=11063
i=adilger, johann

update inode's a/c/mtime and rough size when close the file.

Branch HEAD
b=14929
i=rread
i=panda

b=16098

Add URL for GPLv2 license in copyright headers

b=16098

Add GPLv2 URL to copyright headers

r=shadow,wangdi

- re-implements recov_thread.c in more elegant way (kills lots of code, thread, etc) and fixes couple of issues by the way. Look at bug for detailed info.

b=16317
o=Herb Wartens(hwartens@llnl.gov)
i=wangdi, johann

Description: exports in /proc are broken
Details    : recreate /proc entries for clients when they reconnect.

if client connected until mds will be know about real ost count
get LOV EA can be fail because mds not allocate enougth buffer
for LOV EA.
Branch b1_6
b=16080
i=tappro
i=johann