Land b1_2_smallfix onto b1_2 (20041004_1740)

Land b1_2_smallfix onto b1_2 (20041004_1740)
- ignore -ENOENT errors in osc_destroy (3639)
- notify osc create thread that OSC is being cleaned up (4600)
- bind to privileged port in socknal and tcpnal (3689)
- add nettype argument for llmount in #5d in conf-sanity.sh (3936)
- reconstruct ost_handle() like mds_handle() (4657)
- create a new thread to do import eviction to avoid deadlock (3969)
- let lconf resolve symlinked-to devices (4629)
- don't unlink "objects" from directory with default EA (4554)
- hold socknal file ref over connect in case target is down (4394)
- allow more than 32000 subdirectories in a single directory (3244)
- OST returns ENOSPC from object create when no space left (4539)
- don't send truncate RPC if file size isn't changing (4410)
- limit OSC precreate to 1/2 of value OST considers bogus (4778)
- rate limit CERROR/CWARN console message to avoid overload (4519)
- GETFILEINFO dir ioctl returns LOV EA + MDS stat in 1 call (3327)
- basic mmap support (3918)
- kernel patch series update from b1_4 (4711)
- revalidate should check working dir is a directory (4134)
- don't always mark "slow" obdfilter messages as errors (4418)