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authorAndreas Gruenbacher <agruen@linbit.com>2011-07-28 15:27:51 +0200
committerPhilipp Reisner <philipp.reisner@linbit.com>2014-02-17 16:50:39 +0100
commit84b8c06b6591e73250e6ab4834a02a86c8994b91 (patch)
treeef2be94ac7b57c1042560a9a39d8c84550803b85 /drivers/block/drbd/drbd_state.c
parent8682eae9b4b26d54b9eeac8e17c534197e6d8744 (diff)
drbd: Create a dedicated struct drbd_device_work
drbd_device_work is a work item that has a reference to a device, while drbd_work is a more generic work item that does not carry a reference to a device. All callbacks get a pointer to a drbd_work instance, those callbacks that expect a drbd_device_work use the container_of macro to get it. Signed-off-by: Andreas Gruenbacher <agruen@linbit.com> Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>
Diffstat (limited to 'drivers/block/drbd/drbd_state.c')
-rw-r--r--drivers/block/drbd/drbd_state.c21
1 files changed, 12 insertions, 9 deletions
diff --git a/drivers/block/drbd/drbd_state.c b/drivers/block/drbd/drbd_state.c
index 87ae01199a19..2e8e54b13332 100644
--- a/drivers/block/drbd/drbd_state.c
+++ b/drivers/block/drbd/drbd_state.c
@@ -32,6 +32,7 @@
struct after_state_chg_work {
struct drbd_work w;
+ struct drbd_device *device;
union drbd_state os;
union drbd_state ns;
enum chg_state_flags flags;
@@ -1145,9 +1146,10 @@ __drbd_set_state(struct drbd_device *device, union drbd_state ns,
ascw->ns = ns;
ascw->flags = flags;
ascw->w.cb = w_after_state_ch;
- ascw->w.device = device;
+ ascw->device = device;
ascw->done = done;
- drbd_queue_work(&first_peer_device(device)->connection->sender_work, &ascw->w);
+ drbd_queue_work(&first_peer_device(device)->connection->sender_work,
+ &ascw->w);
} else {
drbd_err(device, "Could not kmalloc an ascw\n");
}
@@ -1159,7 +1161,7 @@ static int w_after_state_ch(struct drbd_work *w, int unused)
{
struct after_state_chg_work *ascw =
container_of(w, struct after_state_chg_work, w);
- struct drbd_device *device = w->device;
+ struct drbd_device *device = ascw->device;
after_state_ch(device, ascw->os, ascw->ns, ascw->flags);
if (ascw->flags & CS_WAIT_COMPLETE)
@@ -1528,18 +1530,19 @@ static void after_state_ch(struct drbd_device *device, union drbd_state os,
}
struct after_conn_state_chg_work {
- struct drbd_work w;
+ struct drbd_device_work dw;
enum drbd_conns oc;
union drbd_state ns_min;
union drbd_state ns_max; /* new, max state, over all devices */
enum chg_state_flags flags;
+ struct drbd_connection *connection;
};
static int w_after_conn_state_ch(struct drbd_work *w, int unused)
{
struct after_conn_state_chg_work *acscw =
- container_of(w, struct after_conn_state_chg_work, w);
- struct drbd_connection *connection = w->connection;
+ container_of(w, struct after_conn_state_chg_work, dw.w);
+ struct drbd_connection *connection = acscw->connection;
enum drbd_conns oc = acscw->oc;
union drbd_state ns_max = acscw->ns_max;
struct drbd_peer_device *peer_device;
@@ -1840,10 +1843,10 @@ _conn_request_state(struct drbd_connection *connection, union drbd_state mask, u
acscw->ns_min = ns_min;
acscw->ns_max = ns_max;
acscw->flags = flags;
- acscw->w.cb = w_after_conn_state_ch;
+ acscw->dw.w.cb = w_after_conn_state_ch;
kref_get(&connection->kref);
- acscw->w.connection = connection;
- drbd_queue_work(&connection->sender_work, &acscw->w);
+ acscw->connection = connection;
+ drbd_queue_work(&connection->sender_work, &acscw->dw.w);
} else {
drbd_err(connection, "Could not kmalloc an acscw\n");
}