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-rw-r--r--devio/dev.h7
1 files changed, 7 insertions, 0 deletions
diff --git a/devio/dev.h b/devio/dev.h
index 7244c91e..14ffc473 100644
--- a/devio/dev.h
+++ b/devio/dev.h
@@ -67,6 +67,8 @@ struct dev
been allocated yet. Lock the lock in IO_STATE if you want to update
this field. */
struct pager *pager;
+ /* The port_bucket for paging ports. */
+ struct port_bucket *pager_port_bucket;
/* The current owner of the open device. For terminals, this affects
controlling terminal behavior (see term_become_ctty). For all objects
@@ -127,6 +129,11 @@ error_t dev_write(struct dev *dev,
DEV. Returns 0 or the error code if an error occurred. */
error_t dev_get_memory_object(struct dev *dev, memory_object_t *memobj);
+/* Try to stop all paging activity on DEV, returning true if we were
+ successful. If NOSYNC is true, then we won't write back any (kernel)
+ cached pages to the device. */
+int dev_stop_paging (struct dev *dev, int nosync);
+
/* Try and write out any pending writes to DEV. If WAIT is true, will wait
for any paging activity to cease. */
error_t dev_sync(struct dev *dev, int wait);