Module Name:	syssrc
Committed By:	chs
Date:		Sat Mar 10 18:43:55 UTC 2001

Modified Files:
	syssrc/sys/kern: vfs_bio.c

Log Message:
in getnewbuf(), when we need to write a buffer before reusing it,
return NULL instead of restarting the loop since we might sleep
while starting the i/o.  this tells getblk() to check if someone else
created the buffer while we slept.


To generate a diff of this commit:
cvs rdiff -r1.74 -r1.75 syssrc/sys/kern/vfs_bio.c

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