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net/9p: fix statsize inside twstat 

stat structures contain a size prefix.  In our twstat messages
we were including the size of the size prefix in the prefix, which is not
what the protocol wants, and Inferno servers would complain.

Signed-off-by: Eric Van Hensbergen <ericvh@gmail.com>
This commit is contained in:
Eric Van Hensbergen 2010-01-15 19:01:56 -06:00
parent 349d3bb878
commit 9d6939dac7
1 changed files with 3 additions and 2 deletions
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5
net/9p/client.c
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@ -1222,10 +1222,11 @@ static int p9_client_statsize(struct p9_wstat *wst, int optional)
{
int ret;
/* NOTE: size shouldn't include its own length */
/* size[2] type[2] dev[4] qid[13] */
/* mode[4] atime[4] mtime[4] length[8]*/
/* name[s] uid[s] gid[s] muid[s] */
ret = 2+2+4+13+4+4+4+8+2+2+2+2;
ret = 2+4+13+4+4+4+8+2+2+2+2;
if (wst->name)
ret += strlen(wst->name);
@ -1266,7 +1267,7 @@ int p9_client_wstat(struct p9_fid *fid, struct p9_wstat *wst)
wst->name, wst->uid, wst->gid, wst->muid, wst->extension,
wst->n_uid, wst->n_gid, wst->n_muid);
req = p9_client_rpc(clnt, P9_TWSTAT, "dwS", fid->fid, wst->size, wst);
req = p9_client_rpc(clnt, P9_TWSTAT, "dwS", fid->fid, wst->size+2, wst);
if (IS_ERR(req)) {
err = PTR_ERR(req);
goto error;