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-rw-r--r--fs/cifs/README12
-rw-r--r--fs/cifs/cifsproto.h3
-rw-r--r--fs/cifs/cifssmb.c14
3 files changed, 14 insertions, 15 deletions
diff --git a/fs/cifs/README b/fs/cifs/README
index 74ab165fc64..4a3ca0e5ca2 100644
--- a/fs/cifs/README
+++ b/fs/cifs/README
@@ -704,18 +704,6 @@ the start of smb requests and responses can be enabled via:
echo 1 > /proc/fs/cifs/traceSMB
-Two other experimental features are under development. To test these
-requires enabling CONFIG_CIFS_EXPERIMENTAL
-
- cifsacl support needed to retrieve approximated mode bits based on
- the contents on the CIFS ACL.
-
- lease support: cifs will check the oplock state before calling into
- the vfs to see if we can grant a lease on a file.
-
- DNOTIFY fcntl: needed for support of directory change
- notification and perhaps later for file leases)
-
Per share (per client mount) statistics are available in /proc/fs/cifs/Stats
if the kernel was configured with cifs statistics enabled. The statistics
represent the number of successful (ie non-zero return code from the server)
diff --git a/fs/cifs/cifsproto.h b/fs/cifs/cifsproto.h
index 34bbd5cf46d..da7a4923783 100644
--- a/fs/cifs/cifsproto.h
+++ b/fs/cifs/cifsproto.h
@@ -304,12 +304,13 @@ extern int CIFSSMBUnixQuerySymLink(const int xid,
struct cifsTconInfo *tcon,
const unsigned char *searchName, char **syminfo,
const struct nls_table *nls_codepage);
+#ifdef CONFIG_CIFS_SYMLINK_EXPERIMENTAL
extern int CIFSSMBQueryReparseLinkInfo(const int xid,
struct cifsTconInfo *tcon,
const unsigned char *searchName,
char *symlinkinfo, const int buflen, __u16 fid,
const struct nls_table *nls_codepage);
-
+#endif /* temporarily unused until cifs_symlink fixed */
extern int CIFSSMBOpen(const int xid, struct cifsTconInfo *tcon,
const char *fileName, const int disposition,
const int access_flags, const int omode,
diff --git a/fs/cifs/cifssmb.c b/fs/cifs/cifssmb.c
index 5630282f282..ae5e451a0d0 100644
--- a/fs/cifs/cifssmb.c
+++ b/fs/cifs/cifssmb.c
@@ -2516,7 +2516,17 @@ querySymLinkRetry:
return rc;
}
-#ifdef CONFIG_CIFS_EXPERIMENTAL
+#ifdef CONFIG_CIFS_SYMLINK_EXPERIMENTAL
+/*
+ * Recent Windows versions now create symlinks more frequently
+ * and they use the "reparse point" mechanism below. We can of course
+ * do symlinks nicely to Samba and other servers which support the
+ * CIFS Unix Extensions and we can also do SFU symlinks and "client only"
+ * "MF" symlinks optionally, but for recent Windows we really need to
+ * reenable the code below and fix the cifs_symlink callers to handle this.
+ * In the interim this code has been moved to its own config option so
+ * it is not compiled in by default until callers fixed up and more tested.
+ */
int
CIFSSMBQueryReparseLinkInfo(const int xid, struct cifsTconInfo *tcon,
const unsigned char *searchName,
@@ -2618,7 +2628,7 @@ qreparse_out:
return rc;
}
-#endif /* CIFS_EXPERIMENTAL */
+#endif /* CIFS_SYMLINK_EXPERIMENTAL */ /* BB temporarily unused */
#ifdef CONFIG_CIFS_POSIX