Update for 1.6.3

Revert bug 11401 due to build breakage and test badness.

Revert incorrect commit.

i=Nathan
i=Adilger

Set stripe_count to 1 for $tdir.

r=alex,vitaly

Change the ldlm_lock's bitlock to a real spinlock to avoid it to be overwritten when operating on l_flags.

b=13149
r=nathan,adilger

Fix the logic in class_del_uuid(). It will return the wrong result when an entry has been referenced over once.

i=adilger
block creates if we need to

i=adilger
i=scjody
use nid from import, not export for clients

Add commas; it just looks better, especially in HTML.

b=11679
i=adilger, deen

add osc_to_ost() function

b=11679
i=adilger, deen

fix lstripe failure with valid OST index

Enable uninit_groups feature by default for ldiskfs.

Revert part 2 of bug 11710 due to regressions.

i=adilger
i=green

Remove obsolete test configs.

Minor grammar and line wrap cleanups.

fix compile warning about uninitialised retval usage

client-side metadata stat-ahead during readdir (directory readahead)
b=11401
i=Adilger
i=tappro

r=nikita,shadow

Do not replay locks that are being cancelled. Do not reference
locks by their address during replay, just by their handle.

r=huangwei,wangdi

Teach ldlm_cli_enqueue_fini that flock locks could disappear immediatelly after
being granted.

r=wangdi,shadow.

Check return value of ll_node_from_inode in ll_file_read and ll_file_sendfile,
do not dereference uninitialised lock tree in ll_file_write.

b=9977
i=green
i=wangdi

b=11721
i=green
i=wangdi

i=Adilger
i=Nathan

Use skip() function instead of echo the skipped tests.

i=tappro
i=fanyong
block reactivating mgc import until all deactivates complete
Only an issue when failing back MDT/MGS to itself (testing)

correct ldiskfs module path

fixes:
- mgs need to be loaded after mgc is loaded
- correct ldiskfs path

i=alex, johann

Port old jbd-stats patch for sles10.

fix a bug in test_13 in sanity-quota.sh
b=13171
i=green, wangdi

fix a bug in test_10 in sanity-quota.sh
b=13170
i=green, wangdi

b=13249
r=scjody

Update target/which_patch for SLES9 2.6.5-7.286 kernel.

b=13177
i=green, wangdi

Description: sanity_quota fail test_1
Details    : There are multiple occurences of $TSTUSR in SLES's /etc/group
             file, which makes TSTID[2] inunique.

oops, forget a file in last commit
b=10800
i=shadow
i=green

typo fix in last commit
b=10800
i=shadow
i=green

i=Adilger
i=Shadow

replay-dual, replay-single, sanityN cleanup (patchless unrelated)

change improper debug_level for null ctxt msg.
b=10800
i=green
i=adilger

Oops, fix tab and space mix in the last commit.

Sync log_commit_thread count between llog_commit_thread_start and
llog_commit_thread_cleanup.
b=10800
i=shadow
i=green