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| author | Pavel Shilovsky <pshilovsky@samba.org> | 2012-09-18 16:20:31 -0700 |
|---|---|---|
| committer | Steve French <smfrench@gmail.com> | 2012-09-24 21:46:29 -0500 |
| commit | 568798cc6211553e2494a6876fa19d064c822e79 (patch) | |
| tree | fa73b97cac75ae54a08a5e0dfc26c2120243a412 /fs/cifs/smb2pdu.c | |
| parent | d6e906f1b571d15ff5778a049802f6ef6f70159a (diff) | |
| download | blackbird-op-linux-568798cc6211553e2494a6876fa19d064c822e79.tar.gz blackbird-op-linux-568798cc6211553e2494a6876fa19d064c822e79.zip | |
CIFS: Add SMB2 support for hardlink operation
Signed-off-by: Pavel Shilovsky <pshilovsky@samba.org>
Signed-off-by: Steve French <smfrench@gmail.com>
Diffstat (limited to 'fs/cifs/smb2pdu.c')
| -rw-r--r-- | fs/cifs/smb2pdu.c | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/fs/cifs/smb2pdu.c b/fs/cifs/smb2pdu.c index 1dc11ce7934e..a684c4ab42d6 100644 --- a/fs/cifs/smb2pdu.c +++ b/fs/cifs/smb2pdu.c @@ -1709,3 +1709,34 @@ SMB2_rename(const unsigned int xid, struct cifs_tcon *tcon, kfree(data); return rc; } + +int +SMB2_set_hardlink(const unsigned int xid, struct cifs_tcon *tcon, + u64 persistent_fid, u64 volatile_fid, __le16 *target_file) +{ + struct smb2_file_link_info info; + void **data; + unsigned int size[2]; + int rc; + int len = (2 * UniStrnlen((wchar_t *)target_file, PATH_MAX)); + + data = kmalloc(sizeof(void *) * 2, GFP_KERNEL); + if (!data) + return -ENOMEM; + + info.ReplaceIfExists = 0; /* 1 = replace existing link with new */ + /* 0 = fail if link already exists */ + info.RootDirectory = 0; /* MBZ for network ops (why does spec say?) */ + info.FileNameLength = cpu_to_le32(len); + + data[0] = &info; + size[0] = sizeof(struct smb2_file_link_info); + + data[1] = target_file; + size[1] = len + 2 /* null */; + + rc = send_set_info(xid, tcon, persistent_fid, volatile_fid, + FILE_LINK_INFORMATION, 2, data, size); + kfree(data); + return rc; +} |
