cifs: add "mfsymlinks" mount option
This is the start for an implementation of "Minshall+French Symlinks"
(see http://wiki.samba.org/index.php/UNIX_Extensions#Minshall.2BFrench_symlinks).
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Signed-off-by: Steve French <sfrench@us.ibm.com>
diff --git a/fs/cifs/connect.c b/fs/cifs/connect.c
index fa88452..435b912 100644
--- a/fs/cifs/connect.c
+++ b/fs/cifs/connect.c
@@ -100,6 +100,7 @@
bool noautotune:1;
bool nostrictsync:1; /* do not force expensive SMBflush on every sync */
bool fsc:1; /* enable fscache */
+ bool mfsymlinks:1; /* use Minshall+French Symlinks */
unsigned int rsize;
unsigned int wsize;
bool sockopt_tcp_nodelay:1;
@@ -1342,6 +1343,8 @@
"/proc/fs/cifs/LookupCacheEnabled to 0\n");
} else if (strnicmp(data, "fsc", 3) == 0) {
vol->fsc = true;
+ } else if (strnicmp(data, "mfsymlinks", 10) == 0) {
+ vol->mfsymlinks = true;
} else
printk(KERN_WARNING "CIFS: Unknown mount option %s\n",
data);
@@ -2554,6 +2557,14 @@
cFYI(1, "mounting share using direct i/o");
cifs_sb->mnt_cifs_flags |= CIFS_MOUNT_DIRECT_IO;
}
+ if (pvolume_info->mfsymlinks) {
+ if (pvolume_info->sfu_emul) {
+ cERROR(1, "mount option mfsymlinks ignored if sfu "
+ "mount option is used");
+ } else {
+ cifs_sb->mnt_cifs_flags |= CIFS_MOUNT_MF_SYMLINKS;
+ }
+ }
if ((pvolume_info->cifs_acl) && (pvolume_info->dynperm))
cERROR(1, "mount option dynperm ignored if cifsacl "