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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2010-04-05 13:42:54 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2010-04-05 13:42:54 -0700 |
| commit | 749d229761ff0135cc4e16b8a28b41ae2f6b2c35 (patch) | |
| tree | 25551c8cfb38319211f5ee59e78462a0f6fb85c4 /net | |
| parent | 795d580baec0d5386b83a8b557df47c20810e86b (diff) | |
| parent | 3dc9fef67f6292692dba181a6d0fd0211bd0a607 (diff) | |
| download | lwn-749d229761ff0135cc4e16b8a28b41ae2f6b2c35.tar.gz lwn-749d229761ff0135cc4e16b8a28b41ae2f6b2c35.zip | |
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ericvh/v9fs
* '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.
Diffstat (limited to 'net')
| -rw-r--r-- | net/9p/client.c | 23 |
1 files changed, 19 insertions, 4 deletions
diff --git a/net/9p/client.c b/net/9p/client.c index 6e6b928a5972..0aa79faa9850 100644 --- a/net/9p/client.c +++ b/net/9p/client.c @@ -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) { |