fuse: implement poll support

[linux-2.6-omap-h63xx.git] / include / linux / fuse.h

diff --git a/include/linux/fuse.h b/include/linux/fuse.h
index abde9949e2c08a066d6ce5f8fca407a1ec1f2ca2..5650cf033e730af2378a16ecdd57f895ae53ca95 100644 (file)
--- a/include/linux/fuse.h
+++ b/include/linux/fuse.h
@@ -163,6 +163,13 @@ struct fuse_file_lock {
 
 #define FUSE_IOCTL_MAX_IOV     256
 
+/**
+ * Poll flags
+ *
+ * FUSE_POLL_SCHEDULE_NOTIFY: request poll notify
+ */
+#define FUSE_POLL_SCHEDULE_NOTIFY (1 << 0)
+
 enum fuse_opcode {
        FUSE_LOOKUP        = 1,
        FUSE_FORGET        = 2,  /* no reply */
@@ -201,9 +208,11 @@ enum fuse_opcode {
        FUSE_BMAP          = 37,
        FUSE_DESTROY       = 38,
        FUSE_IOCTL         = 39,
+       FUSE_POLL          = 40,
 };
 
 enum fuse_notify_code {
+       FUSE_NOTIFY_POLL   = 1,
        FUSE_NOTIFY_CODE_MAX,
 };
 
@@ -421,6 +430,22 @@ struct fuse_ioctl_out {
        __u32   out_iovs;
 };
 
+struct fuse_poll_in {
+       __u64   fh;
+       __u64   kh;
+       __u32   flags;
+       __u32   padding;
+};
+
+struct fuse_poll_out {
+       __u32   revents;
+       __u32   padding;
+};
+
+struct fuse_notify_poll_wakeup_out {
+       __u64   kh;
+};
+
 struct fuse_in_header {
        __u32   len;
        __u32   opcode;