[PATCH] FUSE - extended attribute operations

This patch adds the extended attribute operations to FUSE.

The following operations are added:

 o getxattr
 o setxattr
 o listxattr
 o removexattr

Signed-off-by: Miklos Szeredi <miklos@szeredi.hu>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

1 files changed, 18 insertions, 0 deletions

diff --git a/include/linux/fuse.h b/include/linux/fuse.h
index 61f34636ffbc..bf564edf9905 100644
--- a/include/linux/fuse.h
+++ b/include/linux/fuse.h
@@ -80,6 +80,10 @@ enum fuse_opcode {
         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
 };
@@ -89,6 +93,7 @@ enum fuse_opcode {
 
 #define FUSE_NAME_MAX 1024
 #define FUSE_SYMLINK_MAX 4096
+#define FUSE_XATTR_SIZE_MAX 4096
 
 struct fuse_entry_out {
         __u64   nodeid;         /* Inode ID */
@@ -183,6 +188,19 @@ struct fuse_fsync_in {
         __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;