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Merge SLES 10 build fix from b1_4.

b=11804
r=adilger

Update SLES 10 kernel to 2.6.16.27-0.9.

b=11013
r=adilger

implement a common hash table, so it will be used as a hash class.
in this patch, finished :
1. " UUID <--> export " hash
2. " NID  <--> export " hash
3. "NetPeer <--> connect" hash

Update RHEL 4 kernel to 2.6.9-42.0.10.EL.

Merge from b_release_1_4_9: update SLES 9 kernel to 2.6.5-7.283.

Use intent directly instead of file->f_it, which doesn't exist on patchless
clients.
r=shadow (original patch)

    propagate portals completion errors up to LNET.  The fix propagates the
    error and logs a D_NETERROR.

    either a NID or a process ID.

b=11090
r=green

Description: Checking the version difference of client vs. server, report error if the gap is too big.

Add ChangeLog entry for bug 10889.

Have lustre/ChangeLog match b1_4 as much as possible.

Avoid duplicate definition of SYSIO_INTERFACE_NAME.
b=11175
r=nic (original patch)

Remove old, dangerous tcp zero copy patches.

Remove old, dangerous tcp-zero-copy patch from 2.6.18 series.

mounts. (recently introduced bug.)

Revert my fix to bug 11636 since it broke the build.

b=11786

    branch.

Remove the broken multi-mount-protection patch.

Add 1.4.9 release date.

wrong end condition

r=adilger
Add checks for null indicies in QOS code.
Also fix 'lfs df' and /proc...lov/target_obd.

Merge readlink return type configure check from b1_4.
b=11731
r=mjmac (original patch)

Enable CONFIG_E1000_DISABLE_PACKET_SPLIT to match b1_4.
Enable CONFIG_IPV6=m in UML kernel so that tcp symbols are exported.

assert possibly caused by uninitialized var

b=11636
r=green,adilger

Remove useless kernel configs.