[PATCH] FUSE - extended attribute operations

[linux-2.6] / include / linux / fuse.h

diff --git a/include/linux/fuse.h b/include/linux/fuse.h
index 2b1f4ae01e9de3e19027efd6383c5c89bdcf8318..bf564edf99054409c4e438cf627eb2e5da53c959 100644 (file)
--- a/include/linux/fuse.h
+++ b/include/linux/fuse.h
@@ -11,7 +11,7 @@
 #include <asm/types.h>
 
 /** Version number of this interface */
-#define FUSE_KERNEL_VERSION 5
+#define FUSE_KERNEL_VERSION 7
 
 /** Minor version number of this interface */
 #define FUSE_KERNEL_MINOR_VERSION 1
@@ -19,6 +19,12 @@
 /** The node ID of the root inode */
 #define FUSE_ROOT_ID 1
 
+/** The major number of the fuse character device */
+#define FUSE_MAJOR 10
+
+/** The minor number of the fuse character device */
+#define FUSE_MINOR 229
+
 struct fuse_attr {
        __u64   ino;
        __u64   size;
@@ -36,3 +42,195 @@ struct fuse_attr {
        __u32   rdev;
 };
 
+struct fuse_kstatfs {
+       __u64   blocks;
+       __u64   bfree;
+       __u64   bavail;
+       __u64   files;
+       __u64   ffree;
+       __u32   bsize;
+       __u32   namelen;
+};
+
+#define FATTR_MODE     (1 << 0)
+#define FATTR_UID      (1 << 1)
+#define FATTR_GID      (1 << 2)
+#define FATTR_SIZE     (1 << 3)
+#define FATTR_ATIME    (1 << 4)
+#define FATTR_MTIME    (1 << 5)
+#define FATTR_CTIME    (1 << 6)
+
+enum fuse_opcode {
+       FUSE_LOOKUP        = 1,
+       FUSE_FORGET        = 2,  /* no reply */
+       FUSE_GETATTR       = 3,
+       FUSE_SETATTR       = 4,
+       FUSE_READLINK      = 5,
+       FUSE_SYMLINK       = 6,
+       FUSE_GETDIR        = 7,
+       FUSE_MKNOD         = 8,
+       FUSE_MKDIR         = 9,
+       FUSE_UNLINK        = 10,
+       FUSE_RMDIR         = 11,
+       FUSE_RENAME        = 12,
+       FUSE_LINK          = 13,
+       FUSE_OPEN          = 14,
+       FUSE_READ          = 15,
+       FUSE_WRITE         = 16,
+       FUSE_STATFS        = 17,
+       FUSE_RELEASE       = 18,
+       FUSE_FSYNC         = 20,
+       FUSE_SETXATTR      = 21,
+       FUSE_GETXATTR      = 22,
+       FUSE_LISTXATTR     = 23,
+       FUSE_REMOVEXATTR   = 24,
+       FUSE_FLUSH         = 25,
+       FUSE_INIT          = 26
+};
+
+/* Conservative buffer size for the client */
+#define FUSE_MAX_IN 8192
+
+#define FUSE_NAME_MAX 1024
+#define FUSE_SYMLINK_MAX 4096
+#define FUSE_XATTR_SIZE_MAX 4096
+
+struct fuse_entry_out {
+       __u64   nodeid;         /* Inode ID */
+       __u64   generation;     /* Inode generation: nodeid:gen must
+                                  be unique for the fs's lifetime */
+       __u64   entry_valid;    /* Cache timeout for the name */
+       __u64   attr_valid;     /* Cache timeout for the attributes */
+       __u32   entry_valid_nsec;
+       __u32   attr_valid_nsec;
+       struct fuse_attr attr;
+};
+
+struct fuse_forget_in {
+       __u64   nlookup;
+};
+
+struct fuse_attr_out {
+       __u64   attr_valid;     /* Cache timeout for the attributes */
+       __u32   attr_valid_nsec;
+       __u32   dummy;
+       struct fuse_attr attr;
+};
+
+struct fuse_getdir_out {
+       __u32   fd;
+};
+
+struct fuse_mknod_in {
+       __u32   mode;
+       __u32   rdev;
+};
+
+struct fuse_mkdir_in {
+       __u32   mode;
+};
+
+struct fuse_rename_in {
+       __u64   newdir;
+};
+
+struct fuse_link_in {
+       __u64   oldnodeid;
+};
+
+struct fuse_setattr_in {
+       __u32   valid;
+       struct fuse_attr attr;
+};
+
+struct fuse_open_in {
+       __u32   flags;
+};
+
+struct fuse_open_out {
+       __u64   fh;
+       __u32   open_flags;
+};
+
+struct fuse_release_in {
+       __u64   fh;
+       __u32   flags;
+};
+
+struct fuse_flush_in {
+       __u64   fh;
+       __u32   flush_flags;
+};
+
+struct fuse_read_in {
+       __u64   fh;
+       __u64   offset;
+       __u32   size;
+};
+
+struct fuse_write_in {
+       __u64   fh;
+       __u64   offset;
+       __u32   size;
+       __u32   write_flags;
+};
+
+struct fuse_write_out {
+       __u32   size;
+};
+
+struct fuse_statfs_out {
+       struct fuse_kstatfs st;
+};
+
+struct fuse_fsync_in {
+       __u64   fh;
+       __u32   fsync_flags;
+};
+
+struct fuse_setxattr_in {
+       __u32   size;
+       __u32   flags;
+};
+
+struct fuse_getxattr_in {
+       __u32   size;
+};
+
+struct fuse_getxattr_out {
+       __u32   size;
+};
+
+struct fuse_init_in_out {
+       __u32   major;
+       __u32   minor;
+};
+
+struct fuse_in_header {
+       __u32   len;
+       __u32   opcode;
+       __u64   unique;
+       __u64   nodeid;
+       __u32   uid;
+       __u32   gid;
+       __u32   pid;
+};
+
+struct fuse_out_header {
+       __u32   len;
+       __s32   error;
+       __u64   unique;
+};
+
+struct fuse_dirent {
+       __u64   ino;
+       __u64   off;
+       __u32   namelen;
+       __u32   type;
+       char name[0];
+};
+
+#define FUSE_NAME_OFFSET ((unsigned) ((struct fuse_dirent *) 0)->name)
+#define FUSE_DIRENT_ALIGN(x) (((x) + sizeof(__u64) - 1) & ~(sizeof(__u64) - 1))
+#define FUSE_DIRENT_SIZE(d) \
+       FUSE_DIRENT_ALIGN(FUSE_NAME_OFFSET + (d)->namelen)