[PATCH] v9fs: add extension field to Tcreate
Implement a new way of creating special files. Instead of Tcreate+Twstat,
add one more field to Tcreate that contains special file description.
Signed-off-by: Latchesar Ionkov <lucho@ionkov.net>
Signed-off-by: Eric Van Hensbergen <ericvh@gmail.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
diff --git a/fs/9p/conv.c b/fs/9p/conv.c
index bba8171..b129079 100644
--- a/fs/9p/conv.c
+++ b/fs/9p/conv.c
@@ -666,7 +666,8 @@
return fc;
}
-struct v9fs_fcall *v9fs_create_tcreate(u32 fid, char *name, u32 perm, u8 mode)
+struct v9fs_fcall *v9fs_create_tcreate(u32 fid, char *name, u32 perm, u8 mode,
+ char *extension, int extended)
{
int size;
struct v9fs_fcall *fc;
@@ -674,6 +675,9 @@
struct cbuf *bufp = &buffer;
size = 4 + 2 + strlen(name) + 4 + 1; /* fid[4] name[s] perm[4] mode[1] */
+ if (extended && extension!=NULL)
+ size += 2 + strlen(extension); /* extension[s] */
+
fc = v9fs_create_common(bufp, size, TCREATE);
if (IS_ERR(fc))
goto error;
@@ -682,6 +686,8 @@
v9fs_put_str(bufp, name, &fc->params.tcreate.name);
v9fs_put_int32(bufp, perm, &fc->params.tcreate.perm);
v9fs_put_int8(bufp, mode, &fc->params.tcreate.mode);
+ if (extended)
+ v9fs_put_str(bufp, extension, &fc->params.tcreate.extension);
if (buf_check_overflow(bufp)) {
kfree(fc);