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CIFS: Implement follow_link for SMB2

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that allows to access files through symlink created on a server.

Acked-by: Jeff Layton <jlayton@redhat.com>
Signed-off-by: Pavel Shilovsky <pshilovsky@samba.org>
Signed-off-by: Steve French <smfrench@gmail.com>
This commit is contained in:
Pavel Shilovsky
2013-08-14 19:25:21 +04:00
committed by Steve French
parent 3ae35cde67
commit b42bf88828
11 changed files with 103 additions and 29 deletions
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fs/cifs/smb2pdu.c
+5 -1
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@@ -977,7 +977,8 @@ add_durable_context(struct kvec *iov, unsigned int *num_iovec,
int
SMB2_open(const unsigned int xid, struct cifs_open_parms *oparms, __le16 *path,
__u8 *oplock, struct smb2_file_all_info *buf)
__u8 *oplock, struct smb2_file_all_info *buf,
struct smb2_err_rsp **err_buf)
{
struct smb2_create_req *req;
struct smb2_create_rsp *rsp;
@@ -1082,6 +1083,9 @@ SMB2_open(const unsigned int xid, struct cifs_open_parms *oparms, __le16 *path,
if (rc != 0) {
cifs_stats_fail_inc(tcon, SMB2_CREATE_HE);
if (err_buf)
*err_buf = kmemdup(rsp, get_rfc1002_length(rsp) + 4,
GFP_KERNEL);
goto creat_exit;
}