fuse: add flag to turn on big writes

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

diff --git a/include/linux/fuse.h b/include/linux/fuse.h
index a50d0d9ac7ae9ceb3c8c1224feb540ae0d7d34df..d48282197696fdf1644820a121ce75cd5571bd67 100644 (file)
--- a/include/linux/fuse.h
+++ b/include/linux/fuse.h
@@ -13,6 +13,10 @@
  *
  * 7.9:
  *  - new fuse_getattr_in input argument of GETATTR
+ *  - add lk_flags in fuse_lk_in
+ *  - add lock_owner field to fuse_setattr_in, fuse_read_in and fuse_write_in
+ *  - add blksize field to fuse_attr
+ *  - add file flags field to fuse_read_in and fuse_write_in
  */
 
 #include <asm/types.h>
@@ -51,6 +55,8 @@ struct fuse_attr {
        __u32   uid;
        __u32   gid;
        __u32   rdev;
+       __u32   blksize;
+       __u32   padding;
 };
 
 struct fuse_kstatfs {
@@ -83,6 +89,9 @@ struct fuse_file_lock {
 #define FATTR_ATIME    (1 << 4)
 #define FATTR_MTIME    (1 << 5)
 #define FATTR_FH       (1 << 6)
+#define FATTR_ATIME_NOW        (1 << 7)
+#define FATTR_MTIME_NOW        (1 << 8)
+#define FATTR_LOCKOWNER        (1 << 9)
 
 /**
  * Flags returned by the OPEN request
@@ -99,6 +108,8 @@ struct fuse_file_lock {
 #define FUSE_ASYNC_READ                (1 << 0)
 #define FUSE_POSIX_LOCKS       (1 << 1)
 #define FUSE_FILE_OPS          (1 << 2)
+#define FUSE_ATOMIC_O_TRUNC    (1 << 3)
+#define FUSE_BIG_WRITES                (1 << 5)
 
 /**
  * Release flags
@@ -110,6 +121,25 @@ struct fuse_file_lock {
  */
 #define FUSE_GETATTR_FH                (1 << 0)
 
+/**
+ * Lock flags
+ */
+#define FUSE_LK_FLOCK          (1 << 0)
+
+/**
+ * WRITE flags
+ *
+ * FUSE_WRITE_CACHE: delayed write from page cache, file handle is guessed
+ * FUSE_WRITE_LOCKOWNER: lock_owner field is valid
+ */
+#define FUSE_WRITE_CACHE       (1 << 0)
+#define FUSE_WRITE_LOCKOWNER   (1 << 1)
+
+/**
+ * Read flags
+ */
+#define FUSE_READ_LOCKOWNER    (1 << 1)
+
 enum fuse_opcode {
        FUSE_LOOKUP        = 1,
        FUSE_FORGET        = 2,  /* no reply */
@@ -152,6 +182,8 @@ enum fuse_opcode {
 /* The read buffer is required to be at least 8k, but may be much larger */
 #define FUSE_MIN_READ_BUFFER 8192
 
+#define FUSE_COMPAT_ENTRY_OUT_SIZE 120
+
 struct fuse_entry_out {
        __u64   nodeid;         /* Inode ID */
        __u64   generation;     /* Inode generation: nodeid:gen must
@@ -173,6 +205,8 @@ struct fuse_getattr_in {
        __u64   fh;
 };
 
+#define FUSE_COMPAT_ATTR_OUT_SIZE 96
+
 struct fuse_attr_out {
        __u64   attr_valid;     /* Cache timeout for the attributes */
        __u32   attr_valid_nsec;
@@ -203,7 +237,7 @@ struct fuse_setattr_in {
        __u32   padding;
        __u64   fh;
        __u64   size;
-       __u64   unused1;
+       __u64   lock_owner;
        __u64   atime;
        __u64   mtime;
        __u64   unused2;
@@ -246,14 +280,22 @@ struct fuse_read_in {
        __u64   fh;
        __u64   offset;
        __u32   size;
+       __u32   read_flags;
+       __u64   lock_owner;
+       __u32   flags;
        __u32   padding;
 };
 
+#define FUSE_COMPAT_WRITE_IN_SIZE 24
+
 struct fuse_write_in {
        __u64   fh;
        __u64   offset;
        __u32   size;
        __u32   write_flags;
+       __u64   lock_owner;
+       __u32   flags;
+       __u32   padding;
 };
 
 struct fuse_write_out {
@@ -292,6 +334,8 @@ struct fuse_lk_in {
        __u64   fh;
        __u64   owner;
        struct fuse_file_lock lk;
+       __u32   lk_flags;
+       __u32   padding;
 };
 
 struct fuse_lk_out {