[PATCH] fuse: add request interruption
Add synchronous request interruption. This is needed for file locking
operations which have to be interruptible. However filesystem may implement
interruptibility of other operations (e.g. like NFS 'intr' mount option).
Signed-off-by: Miklos Szeredi <miklos@szeredi.hu>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
diff --git a/include/linux/fuse.h b/include/linux/fuse.h
index e7a76ec..9fc48a6 100644
--- a/include/linux/fuse.h
+++ b/include/linux/fuse.h
@@ -125,7 +125,8 @@
FUSE_SETLK = 32,
FUSE_SETLKW = 33,
FUSE_ACCESS = 34,
- FUSE_CREATE = 35
+ FUSE_CREATE = 35,
+ FUSE_INTERRUPT = 36,
};
/* The read buffer is required to be at least 8k, but may be much larger */
@@ -291,6 +292,10 @@
__u32 max_write;
};
+struct fuse_interrupt_in {
+ __u64 unique;
+};
+
struct fuse_in_header {
__u32 len;
__u32 opcode;