diff options
| author | Pavel Shilovsky <pshilovsky@samba.org> | 2012-09-18 16:20:33 -0700 |
|---|---|---|
| committer | Steve French <smfrench@gmail.com> | 2012-09-24 21:46:30 -0500 |
| commit | 983c88a497914d60c91f431b05a8449ddda19167 (patch) | |
| tree | 6e8ce5d70c6a584472ed7414497d06c034eb0595 /fs/cifs/smb2pdu.c | |
| parent | 95a3f2f377735ed13e42d3b8039aa1d73af2c90e (diff) | |
| download | lwn-983c88a497914d60c91f431b05a8449ddda19167.tar.gz lwn-983c88a497914d60c91f431b05a8449ddda19167.zip | |
CIFS: Add oplock break support for SMB2
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 | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/fs/cifs/smb2pdu.c b/fs/cifs/smb2pdu.c index e97c256c8a42..566d86b0ad96 100644 --- a/fs/cifs/smb2pdu.c +++ b/fs/cifs/smb2pdu.c @@ -1941,3 +1941,33 @@ SMB2_set_info(const unsigned int xid, struct cifs_tcon *tcon, current->tgid, FILE_BASIC_INFORMATION, 1, (void **)&buf, &size); } + +int +SMB2_oplock_break(const unsigned int xid, struct cifs_tcon *tcon, + const u64 persistent_fid, const u64 volatile_fid, + __u8 oplock_level) +{ + int rc; + struct smb2_oplock_break *req = NULL; + + cFYI(1, "SMB2_oplock_break"); + rc = small_smb2_init(SMB2_OPLOCK_BREAK, tcon, (void **) &req); + + if (rc) + return rc; + + req->VolatileFid = volatile_fid; + req->PersistentFid = persistent_fid; + req->OplockLevel = oplock_level; + req->hdr.CreditRequest = cpu_to_le16(1); + + rc = SendReceiveNoRsp(xid, tcon->ses, (char *) req, CIFS_OBREAK_OP); + /* SMB2 buffer freed by function above */ + + if (rc) { + cifs_stats_fail_inc(tcon, SMB2_OPLOCK_BREAK_HE); + cFYI(1, "Send error in Oplock Break = %d", rc); + } + + return rc; +} |