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-rw-r--r--fs/cifs/README3
-rw-r--r--fs/cifs/connect.c9
2 files changed, 12 insertions, 0 deletions
diff --git a/fs/cifs/README b/fs/cifs/README
index bd2343d4c6a..cbe26fe4012 100644
--- a/fs/cifs/README
+++ b/fs/cifs/README
@@ -463,6 +463,9 @@ A partial list of the supported mount options follows:
with cifs style mandatory byte range locks (and most
cifs servers do not yet support requesting advisory
byte range locks).
+ nodfs Disable DFS (global name space support) even if the
+ server claims to support it. This can help work around
+ a problem with parsing of DFS paths with Samba 3.0.24 server.
remount remount the share (often used to change from ro to rw mounts
or vice versa)
cifsacl Report mode bits (e.g. on stat) based on the Windows ACL for
diff --git a/fs/cifs/connect.c b/fs/cifs/connect.c
index 4c13bcdb92a..17ca8ce81bb 100644
--- a/fs/cifs/connect.c
+++ b/fs/cifs/connect.c
@@ -90,6 +90,7 @@ struct smb_vol {
bool nocase:1; /* request case insensitive filenames */
bool nobrl:1; /* disable sending byte range locks to srv */
bool seal:1; /* request transport encryption on share */
+ bool nodfs:1;
unsigned int rsize;
unsigned int wsize;
unsigned int sockopt;
@@ -1218,6 +1219,8 @@ cifs_parse_mount_options(char *options, const char *devname,
vol->sfu_emul = 1;
} else if (strnicmp(data, "nosfu", 5) == 0) {
vol->sfu_emul = 0;
+ } else if (strnicmp(data, "nodfs", 5) == 0) {
+ vol->nodfs = 1;
} else if (strnicmp(data, "posixpaths", 10) == 0) {
vol->posix_paths = 1;
} else if (strnicmp(data, "noposixpaths", 12) == 0) {
@@ -2197,6 +2200,12 @@ cifs_mount(struct super_block *sb, struct cifs_sb_info *cifs_sb,
volume_info.UNC,
tcon, cifs_sb->local_nls);
cFYI(1, ("CIFS Tcon rc = %d", rc));
+ if (volume_info.nodfs) {
+ tcon->Flags &=
+ ~SMB_SHARE_IS_IN_DFS;
+ cFYI(1, ("DFS disabled (%d)",
+ tcon->Flags));
+ }
}
if (!rc) {
atomic_inc(&pSesInfo->inUse);