1 files changed, 60 insertions, 3 deletions

diff --git a/include/linux/fuse.h b/include/linux/fuse.h
index d41ed593f79f..3e2925a34bf0 100644
--- a/include/linux/fuse.h
+++ b/include/linux/fuse.h
@@ -25,6 +25,15 @@
  *  - add IOCTL message
  *  - add unsolicited notification support
  *  - add POLL message and NOTIFY_POLL notification
+ *
+ * 7.12
+ *  - add umask flag to input argument of open, mknod and mkdir
+ *  - add notification messages for invalidation of inodes and
+ *    directory entries
+ *
+ * 7.13
+ *  - make max number of background requests and congestion threshold
+ *    tunables
  */
 
 #ifndef _LINUX_FUSE_H
@@ -32,11 +41,31 @@
 
 #include <linux/types.h>
 
+/*
+ * Version negotiation:
+ *
+ * Both the kernel and userspace send the version they support in the
+ * INIT request and reply respectively.
+ *
+ * If the major versions match then both shall use the smallest
+ * of the two minor versions for communication.
+ *
+ * If the kernel supports a larger major version, then userspace shall
+ * reply with the major version it supports, ignore the rest of the
+ * INIT message and expect a new INIT message from the kernel with a
+ * matching major version.
+ *
+ * If the library supports a larger major version, then it shall fall
+ * back to the major protocol version sent by the kernel for
+ * communication and reply with that major version (and an arbitrary
+ * supported minor version).
+ */
+
 /** Version number of this interface */
 #define FUSE_KERNEL_VERSION 7
 
 /** Minor version number of this interface */
-#define FUSE_KERNEL_MINOR_VERSION 11
+#define FUSE_KERNEL_MINOR_VERSION 13
 
 /** The node ID of the root inode */
 #define FUSE_ROOT_ID 1
@@ -112,6 +141,7 @@ struct fuse_file_lock {
  * INIT request/reply flags
  *
  * FUSE_EXPORT_SUPPORT: filesystem handles lookups of "." and ".."
+ * FUSE_DONT_MASK: don't apply umask to file mode on create operations
  */
 #define FUSE_ASYNC_READ         (1 << 0)
 #define FUSE_POSIX_LOCKS        (1 << 1)
@@ -119,6 +149,7 @@ struct fuse_file_lock {
 #define FUSE_ATOMIC_O_TRUNC     (1 << 3)
 #define FUSE_EXPORT_SUPPORT     (1 << 4)
 #define FUSE_BIG_WRITES         (1 << 5)
+#define FUSE_DONT_MASK          (1 << 6)
 
 /**
  * CUSE INIT request/reply flags
@@ -224,6 +255,8 @@ enum fuse_opcode {
 
 enum fuse_notify_code {
         FUSE_NOTIFY_POLL   = 1,
+        FUSE_NOTIFY_INVAL_INODE = 2,
+        FUSE_NOTIFY_INVAL_ENTRY = 3,
         FUSE_NOTIFY_CODE_MAX,
 };
 
@@ -262,14 +295,18 @@ struct fuse_attr_out {
         struct fuse_attr attr;
 };
 
+#define FUSE_COMPAT_MKNOD_IN_SIZE 8
+
 struct fuse_mknod_in {
         __u32   mode;
         __u32   rdev;
+        __u32   umask;
+        __u32   padding;
 };
 
 struct fuse_mkdir_in {
         __u32   mode;
-        __u32   padding;
+        __u32   umask;
 };
 
 struct fuse_rename_in {
@@ -301,7 +338,14 @@ struct fuse_setattr_in {
 
 struct fuse_open_in {
         __u32   flags;
+        __u32   unused;
+};
+
+struct fuse_create_in {
+        __u32   flags;
         __u32   mode;
+        __u32   umask;
+        __u32   padding;
 };
 
 struct fuse_open_out {
@@ -407,7 +451,8 @@ struct fuse_init_out {
         __u32   minor;
         __u32   max_readahead;
         __u32   flags;
-        __u32   unused;
+        __u16   max_background;
+        __u16   congestion_threshold;
         __u32   max_write;
 };
 
@@ -508,4 +553,16 @@ struct fuse_dirent {
 #define FUSE_DIRENT_SIZE(d) \
         FUSE_DIRENT_ALIGN(FUSE_NAME_OFFSET + (d)->namelen)
 
+struct fuse_notify_inval_inode_out {
+        __u64   ino;
+        __s64   off;
+        __s64   len;
+};
+
+struct fuse_notify_inval_entry_out {
+        __u64   parent;
+        __u32   namelen;
+        __u32   padding;
+};
+
 #endif /* _LINUX_FUSE_H */