diff options
| author | Ricardo Labiaga <Ricardo.Labiaga@netapp.com> | 2009-04-01 09:23:01 -0400 |
|---|---|---|
| committer | Benny Halevy <bhalevy@panasas.com> | 2009-06-17 13:06:15 -0700 |
| commit | 4a8d70bfef01f8e6b27785e2625e88e9a80924a5 (patch) | |
| tree | 15ed5ffd9210cf10d62abb9c3b78648c3fb50675 /include/linux/sunrpc | |
| parent | fb7a0b9addbdbbb13b7bc02abf55ee524ea19ce1 (diff) | |
nfs41: New include/linux/sunrpc/bc_xprt.h
Contains prototype for backchannel helper routines.
Signed-off-by: Ricardo Labiaga <ricardo.labiaga@netapp.com>
Signed-off-by: Benny Halevy <bhalevy@panasas.com>
[nfs41: xprt_setup_backchannel v4.0 only inline]
Fix compile error when CONFIG_NFS_V4_1 is not set.
Signed-off-by: Andy Adamson <andros@netapp.com>
Signed-off-by: Benny Halevy <bhalevy@panasas.com>
[Update Copyright notice and fix formatting]
Signed-off-by: Ricardo Labiaga <Ricardo.Labiaga@netapp.com>
Signed-off-by: Benny Halevy <bhalevy@panasas.com>
Diffstat (limited to 'include/linux/sunrpc')
| -rw-r--r-- | include/linux/sunrpc/bc_xprt.h | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/include/linux/sunrpc/bc_xprt.h b/include/linux/sunrpc/bc_xprt.h new file mode 100644 index 000000000000..5965ae4f902d --- /dev/null +++ b/include/linux/sunrpc/bc_xprt.h @@ -0,0 +1,46 @@ +/****************************************************************************** + +(c) 2008 NetApp. All Rights Reserved. + +NetApp provides this source code under the GPL v2 License. +The GPL v2 license is available at +http://opensource.org/licenses/gpl-license.php. + +THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR +CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, +EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, +PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR +PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF +LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING +NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS +SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + +******************************************************************************/ + +/* + * Functions to create and manage the backchannel + */ + +#ifndef _LINUX_SUNRPC_BC_XPRT_H +#define _LINUX_SUNRPC_BC_XPRT_H + +#include <linux/sunrpc/svcsock.h> +#include <linux/sunrpc/xprt.h> + +#ifdef CONFIG_NFS_V4_1 +struct rpc_rqst *xprt_alloc_bc_request(struct rpc_xprt *xprt); +void xprt_free_bc_request(struct rpc_rqst *req); +int xprt_setup_backchannel(struct rpc_xprt *, unsigned int min_reqs); +void xprt_destroy_backchannel(struct rpc_xprt *, int max_reqs); +#else /* CONFIG_NFS_V4_1 */ +static inline int xprt_setup_backchannel(struct rpc_xprt *xprt, + unsigned int min_reqs) +{ + return 0; +} +#endif /* CONFIG_NFS_V4_1 */ +#endif /* _LINUX_SUNRPC_BC_XPRT_H */ + |