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Description of problem:
reiserfs module fails to load due to undefined symbol "sleep_on" in
kernels 2.6.5-1.309 and 2.6.5-1.315

Tried a kernel rebuild from kernel-source-2.6.5-1.315.

Relevant errors seem to be:

  CC [M]  fs/reiserfs/journal.o
fs/reiserfs/journal.c: In function `queue_log_writer':
fs/reiserfs/journal.c:2466: warning: `sleep_on' is deprecated
(declared at include/linux/wait.h:228)
...
WARNING: /lib/modules/2.6.5-1.315custom/kernel/fs/reiserfs/reiserfs.ko
needs unknown symbol sleep_on
WARNING: /lib/modules/2.6.5-1.315custom/kernel/fs/reiserfs/reiserfs.ko
needs unknown symbol sleep_on

(Also, a bit worrying that a "make oldconfig" using
configs/kernel-2.6.5-i686.config prompted for new items.)

Noted that sleep_on was only used by reiserfs whereas there were a lot
of warnings along the lines of:

fs/autofs/waitq.c:166: warning: `interruptible_sleep_on' is deprecated
(declared at include/linux/wait.h:231)

Despite not being in the same league with "real" kernel hackers, I
changed "sleep_on" to "interruptible_sleep_on" on line 2466 of
fs/reiserfs/journal.c, did

  make && make modules_install && make install

noted apparent success, and boldly rebooted.

Unsurprisingly, still get the "mm/memory.c:102: bad pmd 0c4000e3"
errors described in fedora-test "kernel bug in .315" thread, but
reiserfs now seems to be working again.


Version-Release number of selected component (if applicable):
kernel-2.6.5-1.315, kernel-source-2.6.5-1.315

How reproducible:
Always

Steps to Reproduce:
1. Boot with kernel-2.6.5-1.315 (or 309)
2. Have reiserfs partition in /etc/fstab
3.
    

Actual Results:  The reiserfs module fails to load due to undefinde
symbol.

Expected Results:  Module should load and reiserfs partitions[s] mount.

Additional info:

available on request...