CVS commit: src/sys/dev

[Andrew Doran <ad%netbsd.org@localhost>]

Module Name:    src
Committed By:   ad
Date:           Sat Apr  4 08:29:39 UTC 2009

Modified Files:
        src/sys/dev: ccd.c ccdvar.h

Log Message:
Fix problems with ccd:

- Pending async I/O was tossed on unconfigure (should not happen, but..)
- It could exhaust memory under heavy I/O load.
- If memory allocation failed, disk transfers could stall.
- v_numoutput was updated without v_interlock held.

Additionally:

- Make it MPSAFE.
- Use kmem_alloc().


To generate a diff of this commit:
cvs rdiff -u -r1.132 -r1.133 src/sys/dev/ccd.c
cvs rdiff -u -r1.30 -r1.31 src/sys/dev/ccdvar.h

Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.