CVS commit: src/sys

["Nick Hudson" <skrll%netbsd.org@localhost>]

Module Name:    src
Committed By:   skrll
Date:           Mon Jul 24 19:56:07 UTC 2017

Modified Files:
        src/sys/kern: subr_extent.c
        src/sys/sys: extent.h

Log Message:
Add a condition variable (ex_flwanted) to struct extent so that ex_flags
becomes an invariant.

Remove strange locking for ex_flags as a result.


To generate a diff of this commit:
cvs rdiff -u -r1.80 -r1.81 src/sys/kern/subr_extent.c
cvs rdiff -u -r1.20 -r1.21 src/sys/sys/extent.h

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