From 6d96d3ab7aea5f0e75205a0c97f8d1fdf82c5287 Mon Sep 17 00:00:00 2001 From: "Aneesh Kumar K.V" Date: Mon, 29 Mar 2010 18:13:59 -0500 Subject: 9p: Make sure we are able to clunk the cached fid on umount dcache prune happen on umount. So we cannot mark the client satus disconnect. That will prevent a 9p call to the server Signed-off-by: Aneesh Kumar K.V Signed-off-by: Eric Van Hensbergen --- net/9p/client.c | 18 ++++++++++++++++-- 1 file changed, 16 insertions(+), 2 deletions(-) (limited to 'net') diff --git a/net/9p/client.c b/net/9p/client.c index e3e5bf4469c..a037a29f3f0 100644 --- a/net/9p/client.c +++ b/net/9p/client.c @@ -533,7 +533,12 @@ p9_client_rpc(struct p9_client *c, int8_t type, const char *fmt, ...) P9_DPRINTK(P9_DEBUG_MUX, "client %p op %d\n", c, type); - if (c->status != Connected) + /* we allow for any status other than disconnected */ + if (c->status == Disconnected) + return ERR_PTR(-EIO); + + /* if status is begin_disconnected we allow only clunk request */ + if ((c->status == BeginDisconnect) && (type != P9_TCLUNK)) return ERR_PTR(-EIO); if (signal_pending(current)) { @@ -799,8 +804,10 @@ void p9_client_destroy(struct p9_client *clnt) v9fs_put_trans(clnt->trans_mod); - list_for_each_entry_safe(fid, fidptr, &clnt->fidlist, flist) + list_for_each_entry_safe(fid, fidptr, &clnt->fidlist, flist) { + printk(KERN_INFO "Found fid %d not clunked\n", fid->fid); p9_fid_destroy(fid); + } if (clnt->fidpool) p9_idpool_destroy(clnt->fidpool); @@ -818,6 +825,13 @@ void p9_client_disconnect(struct p9_client *clnt) } EXPORT_SYMBOL(p9_client_disconnect); +void p9_client_begin_disconnect(struct p9_client *clnt) +{ + P9_DPRINTK(P9_DEBUG_9P, "clnt %p\n", clnt); + clnt->status = BeginDisconnect; +} +EXPORT_SYMBOL(p9_client_begin_disconnect); + struct p9_fid *p9_client_attach(struct p9_client *clnt, struct p9_fid *afid, char *uname, u32 n_uname, char *aname) { -- cgit v1.2.3-18-g5258