| Message ID | 1358824827-16169-2-git-send-email-asias@redhat.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
Hi Asias, On Tue, 2013-01-22 at 11:20 +0800, Asias He wrote: > Add a helper to calculate the number of pages needed for a iov entry. > > Signed-off-by: Asias He <asias@redhat.com> > --- Apologies for the long delay. Applied to target-pending/for-next with a minor nit below. Thank you, --nab > drivers/vhost/tcm_vhost.c | 6 ++++++ > 1 file changed, 6 insertions(+) > > diff --git a/drivers/vhost/tcm_vhost.c b/drivers/vhost/tcm_vhost.c > index 3720604..ca35c16 100644 > --- a/drivers/vhost/tcm_vhost.c > +++ b/drivers/vhost/tcm_vhost.c > @@ -77,6 +77,12 @@ static struct workqueue_struct *tcm_vhost_workqueue; > static DEFINE_MUTEX(tcm_vhost_mutex); > static LIST_HEAD(tcm_vhost_list); > > +static inline int iov_num_pages(struct iovec *iov) Dropping the unnecessary inline here. > +{ > + return (PAGE_ALIGN((unsigned long)iov->iov_base + iov->iov_len) - > + ((unsigned long)iov->iov_base & PAGE_MASK)) >> PAGE_SHIFT; > +} > + > static int tcm_vhost_check_true(struct se_portal_group *se_tpg) > { > return 1; -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
diff --git a/drivers/vhost/tcm_vhost.c b/drivers/vhost/tcm_vhost.c index 3720604..ca35c16 100644 --- a/drivers/vhost/tcm_vhost.c +++ b/drivers/vhost/tcm_vhost.c @@ -77,6 +77,12 @@ static struct workqueue_struct *tcm_vhost_workqueue; static DEFINE_MUTEX(tcm_vhost_mutex); static LIST_HEAD(tcm_vhost_list); +static inline int iov_num_pages(struct iovec *iov) +{ + return (PAGE_ALIGN((unsigned long)iov->iov_base + iov->iov_len) - + ((unsigned long)iov->iov_base & PAGE_MASK)) >> PAGE_SHIFT; +} + static int tcm_vhost_check_true(struct se_portal_group *se_tpg) { return 1;
Add a helper to calculate the number of pages needed for a iov entry. Signed-off-by: Asias He <asias@redhat.com> --- drivers/vhost/tcm_vhost.c | 6 ++++++ 1 file changed, 6 insertions(+)