nfs: fix a minor do_div portability issue
This change modifies filelayout_get_dense_offset() to use the functions in math64.h and thus avoid a 32-bit platform compile error trying to use do_div() on an s64 type. Signed-off-by: Chris Metcalf <cmetcalf@tilera.com> Reviewed-by: Boaz Harrosh <bharrosh@panasas.com> Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
This commit is contained in:
parent
0b1c8fc43c
commit
3476f114ad
|
@ -49,13 +49,14 @@ filelayout_get_dense_offset(struct nfs4_filelayout_segment *flseg,
|
|||
loff_t offset)
|
||||
{
|
||||
u32 stripe_width = flseg->stripe_unit * flseg->dsaddr->stripe_count;
|
||||
u64 tmp;
|
||||
u64 stripe_no;
|
||||
u32 rem;
|
||||
|
||||
offset -= flseg->pattern_offset;
|
||||
tmp = offset;
|
||||
do_div(tmp, stripe_width);
|
||||
stripe_no = div_u64(offset, stripe_width);
|
||||
div_u64_rem(offset, flseg->stripe_unit, &rem);
|
||||
|
||||
return tmp * flseg->stripe_unit + do_div(offset, flseg->stripe_unit);
|
||||
return stripe_no * flseg->stripe_unit + rem;
|
||||
}
|
||||
|
||||
/* This function is used by the layout driver to calculate the
|
||||
|
|
Loading…
Reference in a new issue