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-rw-r--r--api/src/glfs-handles.h30
1 files changed, 27 insertions, 3 deletions
diff --git a/api/src/glfs-handles.h b/api/src/glfs-handles.h
index 02204a76385..b5813b23448 100644
--- a/api/src/glfs-handles.h
+++ b/api/src/glfs-handles.h
@@ -71,6 +71,9 @@
permission checking */
#define GFAPI_UP_RENAME 0x00000080 /* this is a rename op -
delete the cache entry */
+#define GFAPI_UP_FORGET 0x00000100 /* inode_forget on server side -
+ invalidate the cache entry */
+#define GFAPI_UP_PARENT_TIMES 0x00000200 /* update parent dir times */
#define GFAPI_INODE_UPDATE_FLAGS (GFAPI_UP_NLINK | GFAPI_UP_MODE | \
GFAPI_UP_OWN | GFAPI_UP_SIZE | \
@@ -102,15 +105,30 @@ typedef struct glfs_object glfs_object_t;
* Applications (currently NFS-Ganesha) can make use of this
* structure to read upcall notifications sent by server.
*
- * On success, applications need to check for 'object' to decide
+ * On success, applications need to check for 'reason' to decide
* if any upcall event is received.
*
- * After processing the event, they need to free "object"
- * using glfs_h_close(..).
+ * Currently supported upcall_events -
+ * GFAPI_INODE_INVALIDATE -
+ * 'event_arg' - callback_inode_arg
+ *
+ * After processing the event, applications need to free 'event_arg'.
+ *
+ * Also similar to I/Os, the application should ideally stop polling
+ * before calling glfs_fini(..). Hence making an assumption that
+ * 'fs' & ctx structures cannot be freed while in this routine.
*/
struct callback_arg {
struct glfs *fs; /* glfs object */
int reason; /* Upcall event type */
+ void *event_arg; /* changes based in the event type */
+};
+
+/*
+ * After processing upcall event, they need to free "object" , "p_object",
+ * "oldp_object" using glfs_h_close(..).
+ */
+struct callback_inode_arg {
struct glfs_object *object; /* Object which need to be acted upon */
int flags; /* Cache UPDATE/INVALIDATE flags */
struct stat buf; /* Latest stat of this entry */
@@ -118,6 +136,12 @@ struct callback_arg {
* the application need to cache
* this entry
*/
+ struct glfs_object *p_object; /* parent Object to be updated */
+ struct stat p_buf; /* Latest stat of parent dir handle */
+ struct glfs_object *oldp_object; /* Old parent Object
+ * to be updated */
+ struct stat oldp_buf; /* Latest stat of old parent
+ * dir handle */
};
/* reason list in callback_arg */