smb: move client and server files to common directory fs/smb

Move CIFS/SMB3 related client and server files (cifs.ko and ksmbd.ko
and helper modules) to new fs/smb subdirectory:

   fs/cifs --> fs/smb/client
   fs/ksmbd --> fs/smb/server
   fs/smbfs_common --> fs/smb/common

Suggested-by: Linus Torvalds <torvalds@linux-foundation.org>
Acked-by: Namjae Jeon <linkinjeon@kernel.org>
Signed-off-by: Steve French <stfrench@microsoft.com>

1 files changed, 0 insertions, 88 deletions

diff --git a/fs/cifs/dns_resolve.c b/fs/cifs/dns_resolve.c
deleted file mode 100644
index 8bf8978bc5d6..000000000000
--- a/fs/cifs/dns_resolve.c
+++ /dev/null
@@ -1,88 +0,0 @@
-// SPDX-License-Identifier: LGPL-2.1
-/*
- *
- *   Copyright (c) 2007 Igor Mammedov
- *   Author(s): Igor Mammedov (niallain@gmail.com)
- *              Steve French (sfrench@us.ibm.com)
- *              Wang Lei (wang840925@gmail.com)
- *		David Howells (dhowells@redhat.com)
- *
- *   Contains the CIFS DFS upcall routines used for hostname to
- *   IP address translation.
- *
- */
-
-#include <linux/inet.h>
-#include <linux/slab.h>
-#include <linux/dns_resolver.h>
-#include "dns_resolve.h"
-#include "cifsglob.h"
-#include "cifsproto.h"
-#include "cifs_debug.h"
-
-/**
- * dns_resolve_server_name_to_ip - Resolve UNC server name to ip address.
- * @unc: UNC path specifying the server (with '/' as delimiter)
- * @ip_addr: Where to return the IP address.
- * @expiry: Where to return the expiry time for the dns record.
- *
- * Returns zero success, -ve on error.
- */
-int
-dns_resolve_server_name_to_ip(const char *unc, struct sockaddr *ip_addr, time64_t *expiry)
-{
-	const char *hostname, *sep;
-	char *ip;
-	int len, rc;
-
-	if (!ip_addr || !unc)
-		return -EINVAL;
-
-	len = strlen(unc);
-	if (len < 3) {
-		cifs_dbg(FYI, "%s: unc is too short: %s\n", __func__, unc);
-		return -EINVAL;
-	}
-
-	/* Discount leading slashes for cifs */
-	len -= 2;
-	hostname = unc + 2;
-
-	/* Search for server name delimiter */
-	sep = memchr(hostname, '/', len);
-	if (sep)
-		len = sep - hostname;
-	else
-		cifs_dbg(FYI, "%s: probably server name is whole unc: %s\n",
-			 __func__, unc);
-
-	/* Try to interpret hostname as an IPv4 or IPv6 address */
-	rc = cifs_convert_address(ip_addr, hostname, len);
-	if (rc > 0) {
-		cifs_dbg(FYI, "%s: unc is IP, skipping dns upcall: %*.*s\n", __func__, len, len,
-			 hostname);
-		return 0;
-	}
-
-	/* Perform the upcall */
-	rc = dns_query(current->nsproxy->net_ns, NULL, hostname, len,
-		       NULL, &ip, expiry, false);
-	if (rc < 0) {
-		cifs_dbg(FYI, "%s: unable to resolve: %*.*s\n",
-			 __func__, len, len, hostname);
-	} else {
-		cifs_dbg(FYI, "%s: resolved: %*.*s to %s expiry %llu\n",
-			 __func__, len, len, hostname, ip,
-			 expiry ? (*expiry) : 0);
-
-		rc = cifs_convert_address(ip_addr, ip, strlen(ip));
-		kfree(ip);
-
-		if (!rc) {
-			cifs_dbg(FYI, "%s: unable to determine ip address\n", __func__);
-			rc = -EHOSTUNREACH;
-		} else
-			rc = 0;
-	}
-	return rc;
-}