2 files changed, 87 insertions, 0 deletions

diff --git a/net/9p/client.c b/net/9p/client.c
index 4ff068e..5e97118 100644
--- a/net/9p/client.c
+++ b/net/9p/client.c
@@ -1303,6 +1303,65 @@ error:
 }
 EXPORT_SYMBOL(p9_client_stat);
 
+struct p9_stat_dotl *p9_client_getattr_dotl(struct p9_fid *fid,
+							u64 request_mask)
+{
+	int err;
+	struct p9_client *clnt;
+	struct p9_stat_dotl *ret = kmalloc(sizeof(struct p9_stat_dotl),
+								GFP_KERNEL);
+	struct p9_req_t *req;
+
+	P9_DPRINTK(P9_DEBUG_9P, ">>> TGETATTR fid %d, request_mask %lld\n",
+							fid->fid, request_mask);
+
+	if (!ret)
+		return ERR_PTR(-ENOMEM);
+
+	err = 0;
+	clnt = fid->clnt;
+
+	req = p9_client_rpc(clnt, P9_TGETATTR, "dq", fid->fid, request_mask);
+	if (IS_ERR(req)) {
+		err = PTR_ERR(req);
+		goto error;
+	}
+
+	err = p9pdu_readf(req->rc, clnt->proto_version, "A", ret);
+	if (err) {
+		p9pdu_dump(1, req->rc);
+		p9_free_req(clnt, req);
+		goto error;
+	}
+
+	P9_DPRINTK(P9_DEBUG_9P,
+		"<<< RGETATTR st_result_mask=%lld\n"
+		"<<< qid=%x.%llx.%x\n"
+		"<<< st_mode=%8.8x st_nlink=%llu\n"
+		"<<< st_uid=%d st_gid=%d\n"
+		"<<< st_rdev=%llx st_size=%llx st_blksize=%llu st_blocks=%llu\n"
+		"<<< st_atime_sec=%lld st_atime_nsec=%lld\n"
+		"<<< st_mtime_sec=%lld st_mtime_nsec=%lld\n"
+		"<<< st_ctime_sec=%lld st_ctime_nsec=%lld\n"
+		"<<< st_btime_sec=%lld st_btime_nsec=%lld\n"
+		"<<< st_gen=%lld st_data_version=%lld",
+		ret->st_result_mask, ret->qid.type, ret->qid.path,
+		ret->qid.version, ret->st_mode, ret->st_nlink, ret->st_uid,
+		ret->st_gid, ret->st_rdev, ret->st_size, ret->st_blksize,
+		ret->st_blocks, ret->st_atime_sec, ret->st_atime_nsec,
+		ret->st_mtime_sec, ret->st_mtime_nsec, ret->st_ctime_sec,
+		ret->st_ctime_nsec, ret->st_btime_sec, ret->st_btime_nsec,
+		ret->st_gen, ret->st_data_version);
+
+	p9_free_req(clnt, req);
+	return ret;
+
+error:
+	kfree(ret);
+	return ERR_PTR(err);
+}
+EXPORT_SYMBOL(p9_client_getattr_dotl);
+
 static int p9_client_statsize(struct p9_wstat *wst, int proto_version)
 {
 	int ret;
diff --git a/net/9p/protocol.c b/net/9p/protocol.c
index b645c82..3e4f776 100644
--- a/net/9p/protocol.c
+++ b/net/9p/protocol.c
@@ -141,6 +141,7 @@ pdu_write_u(struct p9_fcall *pdu, const char __user *udata, size_t size)
 	D - data blob (int32_t size followed by void *, results are not freed)
 	T - array of strings (int16_t count, followed by strings)
 	R - array of qids (int16_t count, followed by qids)
+	A - stat for 9p2000.L (p9_stat_dotl)
 	? - if optional = 1, continue parsing
 */
 
@@ -340,6 +341,33 @@ p9pdu_vreadf(struct p9_fcall *pdu, int proto_version, const char *fmt,
 				}
 			}
 			break;
+		case 'A': {
+				struct p9_stat_dotl *stbuf =
+				    va_arg(ap, struct p9_stat_dotl *);
+
+				memset(stbuf, 0, sizeof(struct p9_stat_dotl));
+				errcode =
+				    p9pdu_readf(pdu, proto_version,
+					"qQdddqqqqqqqqqqqqqqq",
+					&stbuf->st_result_mask,
+					&stbuf->qid,
+					&stbuf->st_mode,
+					&stbuf->st_uid, &stbuf->st_gid,
+					&stbuf->st_nlink,
+					&stbuf->st_rdev, &stbuf->st_size,
+					&stbuf->st_blksize, &stbuf->st_blocks,
+					&stbuf->st_atime_sec,
+					&stbuf->st_atime_nsec,
+					&stbuf->st_mtime_sec,
+					&stbuf->st_mtime_nsec,
+					&stbuf->st_ctime_sec,
+					&stbuf->st_ctime_nsec,
+					&stbuf->st_btime_sec,
+					&stbuf->st_btime_nsec,
+					&stbuf->st_gen,
+					&stbuf->st_data_version);
+			}
+			break;
 		case '?':
 			if ((proto_version != p9_proto_2000u) &&
 				(proto_version != p9_proto_2000L))