#define FUSE_ARGS(args) struct fuse_args args = {}
-/** The request state */
-enum fuse_req_state {
- FUSE_REQ_INIT = 0,
- FUSE_REQ_PENDING,
- FUSE_REQ_READING,
- FUSE_REQ_SENT,
- FUSE_REQ_WRITING,
- FUSE_REQ_FINISHED
-};
-
/** The request IO state (for asynchronous processing) */
struct fuse_io_priv {
int async;
struct completion *done;
};
+/**
+ * Request flags
+ *
+ * FR_ISREPLY: set if the request has reply
+ * FR_FORCE: force sending of the request even if interrupted
+ * FR_BACKGROUND: request is sent in the background
+ * FR_WAITING: request is counted as "waiting"
+ * FR_ABORTED: the request was aborted
+ * FR_INTERRUPTED: the request has been interrupted
+ * FR_LOCKED: data is being copied to/from the request
+ * FR_PENDING: request is not yet in userspace
+ * FR_SENT: request is in userspace, waiting for an answer
+ * FR_FINISHED: request is finished
+ */
+enum fuse_req_flag {
+ FR_ISREPLY,
+ FR_FORCE,
+ FR_BACKGROUND,
+ FR_WAITING,
+ FR_ABORTED,
+ FR_INTERRUPTED,
+ FR_LOCKED,
+ FR_PENDING,
+ FR_SENT,
+ FR_FINISHED,
+};
+
/**
* A request to the client
+ *
+ * .waitq.lock protects the following fields:
+ * - FR_ABORTED
+ * - FR_LOCKED (may also be modified under fc->lock, tested under both)
*/
struct fuse_req {
/** This can be on either pending processing or io lists in
/** Unique ID for the interrupt request */
u64 intr_unique;
- /*
- * The following bitfields are either set once before the
- * request is queued or setting/clearing them is protected by
- * fuse_conn->lock
- */
-
- /** True if the request has reply */
- unsigned isreply:1;
-
- /** Force sending of the request even if interrupted */
- unsigned force:1;
-
- /** The request was aborted */
- unsigned aborted:1;
-
- /** Request is sent in the background */
- unsigned background:1;
-
- /** The request has been interrupted */
- unsigned interrupted:1;
-
- /** Data is being copied to/from the request */
- unsigned locked:1;
-
- /** Request is counted as "waiting" */
- unsigned waiting:1;
-
- /** State of the request */
- enum fuse_req_state state;
+ /* Request flags, updated with test/set/clear_bit() */
+ unsigned long flags;
/** The request input */
struct fuse_in in;