diff options
Diffstat (limited to 'include/block')
| -rw-r--r-- | include/block/aio.h | 13 |
1 files changed, 6 insertions, 7 deletions
diff --git a/include/block/aio.h b/include/block/aio.h index 90e07d7507..bd76b08f1a 100644 --- a/include/block/aio.h +++ b/include/block/aio.h @@ -57,17 +57,16 @@ typedef struct { /* * update: * @ctx: the AioContext - * @node: the handler - * @is_new: is the file descriptor already being monitored? + * @old_node: the existing handler or NULL if this file descriptor is being + * monitored for the first time + * @new_node: the new handler or NULL if this file descriptor is being + * removed * - * Add/remove/modify a monitored file descriptor. There are three cases: - * 1. node->pfd.events == 0 means remove the file descriptor. - * 2. !is_new means modify an already monitored file descriptor. - * 3. is_new means add a new file descriptor. + * Add/remove/modify a monitored file descriptor. * * Called with ctx->list_lock acquired. */ - void (*update)(AioContext *ctx, AioHandler *node, bool is_new); + void (*update)(AioContext *ctx, AioHandler *old_node, AioHandler *new_node); /* * wait: |