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| author | Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com> | 2010-03-29 18:13:59 -0500 |
|---|---|---|
| committer | Eric Van Hensbergen <ericvh@gmail.com> | 2010-04-05 10:37:36 -0500 |
| commit | 6d96d3ab7aea5f0e75205a0c97f8d1fdf82c5287 (patch) | |
| tree | a4dfa0472e2e670de1da7e7c0905da12d4608ab4 /net | |
| parent | d994f4058d9f9be7e44529b55fc6be6552901ead (diff) | |
| download | linux-0-day-6d96d3ab7aea5f0e75205a0c97f8d1fdf82c5287.tar.gz linux-0-day-6d96d3ab7aea5f0e75205a0c97f8d1fdf82c5287.tar.xz | |
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 <aneesh.kumar@linux.vnet.ibm.com>
Signed-off-by: Eric Van Hensbergen <ericvh@gmail.com>
Diffstat (limited to 'net')
| -rw-r--r-- | net/9p/client.c | 18 |
1 files changed, 16 insertions, 2 deletions
diff --git a/net/9p/client.c b/net/9p/client.c index e3e5bf4469ced..a037a29f3f0ea 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) { |