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[PATCH] v9fs: add extension field to Tcreate

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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>
This commit is contained in:
Latchesar Ionkov
2006-03-25 03:07:26 -08:00
committed by Linus Torvalds
parent 5174fdab9f
commit 16cce6d27e
6 changed files with 50 additions and 51 deletions
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8
fs/9p/conv.c
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@@ -666,7 +666,8 @@ struct v9fs_fcall *v9fs_create_topen(u32 fid, u8 mode)
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 v9fs_fcall *v9fs_create_tcreate(u32 fid, char *name, u32 perm, u8 mode)
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 @@ struct v9fs_fcall *v9fs_create_tcreate(u32 fid, char *name, u32 perm, u8 mode)
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);