On 11/07/13 02:52, Christoph Hellwig wrote: > Fallocate only zeroes space that did not previously contain data, > but leaves existing data untouched. Thanks, Christoph. APplied Cheers Michael > Signed-off-by: Christoph Hellwig <hch@xxxxxx> > > diff --git a/man2/fallocate.2 b/man2/fallocate.2 > index f5c395d..f577ba8 100644 > --- a/man2/fallocate.2 > +++ b/man2/fallocate.2 > @@ -44,8 +44,7 @@ The default operation (i.e., > .I mode > is zero) of > .BR fallocate () > -allocates and initializes to zero the disk space > -within the range specified by > +allocates the disk space within the range specified by > .I offset > and > .IR len . > @@ -54,6 +53,11 @@ The file size (as reported by > will be changed if > .IR offset + len > is greater than the file size. > +Any subregion withing the range specified by > +.I offset > +and > +.IR len . > +that did not contain data before the call will be initialized to zero. > This default behavior closely resembles the behavior of the > .BR posix_fallocate (3) > library function, > -- > To unsubscribe from this list: send the line "unsubscribe linux-man" in > the body of a message to majordomo@xxxxxxxxxxxxxxx > More majordomo info at http://vger.kernel.org/majordomo-info.html > -- Michael Kerrisk Linux man-pages maintainer; http://www.kernel.org/doc/man-pages/ -- To unsubscribe from this list: send the line "unsubscribe linux-man" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
