diff options
Diffstat (limited to 'api/src/glfs-handles.h')
| -rw-r--r-- | api/src/glfs-handles.h | 30 |
1 files changed, 27 insertions, 3 deletions
diff --git a/api/src/glfs-handles.h b/api/src/glfs-handles.h index 9f81cb9dcbf..28e9e79b9a3 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 */ |