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.TH "BIO_GET_NR_VECS" "" "06 October 2005" "" ""

.SH NAME
bio_get_nr_vecs \- return approx number of vecs
.SH SYNOPSIS
"SYNOPSIS"
.sp
\fB
.sp
int bio_get_nr_vecs  (struct block_device * \fIbdev\fB);
\fR
.SH "ARGUMENTS"
.TP
\fB\fIbdev\fB\fR
I/O target
.SH "DESCRIPTION"
.PP
Return the approximate number of pages we can send to this target.
There's no guarantee that you will be able to fit this number of pages
into a bio, it does not account for dynamic restrictions that vary
on offset.