Module Name:	src
Committed By:	hannken
Date:		Sun Dec  2 13:56:21 UTC 2007

Modified Files:
	src/share/man/man9: fstrans.9
	src/sys/dev: fss.c
	src/sys/kern: vfs_bio.c vfs_trans.c vfs_vnops.c
	src/sys/miscfs/specfs: spec_vnops.c
	src/sys/sys: buf.h fstrans.h param.h vnode.h
	src/sys/ufs/ffs: ffs_snapshot.c

Log Message:
Fscow_run(): add a flag "bool data_valid" to note still valid data.
Buffers run through copy-on-write are marked B_COWDONE.  This condition
is valid until the buffer has run through bwrite() and gets cleared from
biodone().

Welcome to 4.99.39.

Reviewed by: YAMAMOTO Takashi <yamt@netbsd.org>


To generate a diff of this commit:
cvs rdiff -r1.10 -r1.11 src/share/man/man9/fstrans.9
cvs rdiff -r1.38 -r1.39 src/sys/dev/fss.c
cvs rdiff -r1.180 -r1.181 src/sys/kern/vfs_bio.c
cvs rdiff -r1.14 -r1.15 src/sys/kern/vfs_trans.c
cvs rdiff -r1.146 -r1.147 src/sys/kern/vfs_vnops.c
cvs rdiff -r1.109 -r1.110 src/sys/miscfs/specfs/spec_vnops.c
cvs rdiff -r1.99 -r1.100 src/sys/sys/buf.h
cvs rdiff -r1.6 -r1.7 src/sys/sys/fstrans.h
cvs rdiff -r1.287 -r1.288 src/sys/sys/param.h
cvs rdiff -r1.176 -r1.177 src/sys/sys/vnode.h
cvs rdiff -r1.54 -r1.55 src/sys/ufs/ffs/ffs_snapshot.c

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