On Thu, 9 Feb 2012, Kirk McKusick wrote:
Log:
Historically when an application wrote an entire block of a file,
the kernel allocated a buffer but did not zero it as it was about
to be completely filled by a uiomove() from the user's buffer.
However, if the uiomove() failed, the old contents
Author: mckusick
Date: Thu Feb 9 22:34:16 2012
New Revision: 231313
URL: http://svn.freebsd.org/changeset/base/231313
Log:
Historically when an application wrote an entire block of a file,
the kernel allocated a buffer but did not zero it as it was about
to be completely filled by a uiomove
