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xen: modify xenstore watch event interface

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Today a Xenstore watch event is delivered via a callback function
declared as:

void (*callback)(struct xenbus_watch *,
                 const char **vec, unsigned int len);

As all watch events only ever come with two parameters (path and token)
changing the prototype to:

void (*callback)(struct xenbus_watch *,
                 const char *path, const char *token);

is the natural thing to do.

Apply this change and adapt all users.

Cc: konrad.wilk@oracle.com
Cc: roger.pau@citrix.com
Cc: wei.liu2@citrix.com
Cc: paul.durrant@citrix.com
Cc: netdev@vger.kernel.org

Signed-off-by: Juergen Gross <jgross@suse.com>
Reviewed-by: Paul Durrant <paul.durrant@citrix.com>
Reviewed-by: Wei Liu <wei.liu2@citrix.com>
Reviewed-by: Roger Pau Monné <roger.pau@citrix.com>
Reviewed-by: Boris Ostrovsky <boris.ostrovsky@oracle.com>
Signed-off-by: Boris Ostrovsky <boris.ostrovsky@oracle.com>
This commit is contained in:
Juergen Gross
2017-02-09 14:39:57 +01:00
committed by Boris Ostrovsky
parent 332f791dc9
commit 5584ea250a
14 changed files with 59 additions and 69 deletions
Download Patch File Download Diff File Expand all files Collapse all files

8
drivers/net/xen-netback/xenbus.c
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@@ -734,7 +734,7 @@ static int xen_net_read_mac(struct xenbus_device *dev, u8 mac[])
}
static void xen_net_rate_changed(struct xenbus_watch *watch,
const char **vec, unsigned int len)
const char *path, const char *token)
{
struct xenvif *vif = container_of(watch, struct xenvif, credit_watch);
struct xenbus_device *dev = xenvif_to_xenbus_device(vif);
@@ -791,7 +791,7 @@ static void xen_unregister_credit_watch(struct xenvif *vif)
}
static void xen_mcast_ctrl_changed(struct xenbus_watch *watch,
const char **vec, unsigned int len)
const char *path, const char *token)
{
struct xenvif *vif = container_of(watch, struct xenvif,
mcast_ctrl_watch);
@@ -866,8 +866,8 @@ static void unregister_hotplug_status_watch(struct backend_info *be)
}
static void hotplug_status_changed(struct xenbus_watch *watch,
const char **vec,
unsigned int vec_size)
const char *path,
const char *token)
{
struct backend_info *be = container_of(watch,
struct backend_info,