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Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ericvh/v9fs

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* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ericvh/v9fs:
  9p: saving negative to unsigned char
  9p: return on mutex_lock_interruptible()
  9p: Creating files with names too long should fail with ENAMETOOLONG.
  9p: Make sure we are able to clunk the cached fid on umount
  9p: drop nlink remove
  fs/9p: Clunk the fid resulting from partial walk of the name
  9p: documentation update
  9p: Fix setting of protocol flags in v9fs_session_info structure.
This commit is contained in:
Linus Torvalds
2010-04-05 13:42:54 -07:00
parent 795d580bae 3dc9fef67f
commit 749d229761
9 changed files with 78 additions and 13 deletions
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net/9p/client.c
+19 -4
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@@ -72,9 +72,10 @@ inline int p9_is_proto_dotu(struct p9_client *clnt)
EXPORT_SYMBOL(p9_is_proto_dotu);
/* Interpret mount option for protocol version */
static unsigned char get_protocol_version(const substring_t *name)
static int get_protocol_version(const substring_t *name)
{
unsigned char version = -EINVAL;
int version = -EINVAL;
if (!strncmp("9p2000", name->from, name->to-name->from)) {
version = p9_proto_legacy;
P9_DPRINTK(P9_DEBUG_9P, "Protocol version: Legacy\n");
@@ -534,7 +535,12 @@ 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)) {
@@ -800,8 +806,10 @@ 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);
@@ -819,6 +827,13 @@ 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)
{