Commit 4a8d70bfef01f8e6b27785e2625e88e9a80924a5
Committed by
Benny Halevy
Benny Halevy
1 parent
fb7a0b9add
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>
Showing 1 changed file with 46 additions and 0 deletions Side-by-side Diff
include/linux/sunrpc/bc_xprt.h
| 1 | +/****************************************************************************** | |
| 2 | + | |
| 3 | +(c) 2008 NetApp. All Rights Reserved. | |
| 4 | + | |
| 5 | +NetApp provides this source code under the GPL v2 License. | |
| 6 | +The GPL v2 license is available at | |
| 7 | +http://opensource.org/licenses/gpl-license.php. | |
| 8 | + | |
| 9 | +THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS | |
| 10 | +"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT | |
| 11 | +LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR | |
| 12 | +A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR | |
| 13 | +CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, | |
| 14 | +EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, | |
| 15 | +PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR | |
| 16 | +PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF | |
| 17 | +LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING | |
| 18 | +NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS | |
| 19 | +SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |
| 20 | + | |
| 21 | +******************************************************************************/ | |
| 22 | + | |
| 23 | +/* | |
| 24 | + * Functions to create and manage the backchannel | |
| 25 | + */ | |
| 26 | + | |
| 27 | +#ifndef _LINUX_SUNRPC_BC_XPRT_H | |
| 28 | +#define _LINUX_SUNRPC_BC_XPRT_H | |
| 29 | + | |
| 30 | +#include <linux/sunrpc/svcsock.h> | |
| 31 | +#include <linux/sunrpc/xprt.h> | |
| 32 | + | |
| 33 | +#ifdef CONFIG_NFS_V4_1 | |
| 34 | +struct rpc_rqst *xprt_alloc_bc_request(struct rpc_xprt *xprt); | |
| 35 | +void xprt_free_bc_request(struct rpc_rqst *req); | |
| 36 | +int xprt_setup_backchannel(struct rpc_xprt *, unsigned int min_reqs); | |
| 37 | +void xprt_destroy_backchannel(struct rpc_xprt *, int max_reqs); | |
| 38 | +#else /* CONFIG_NFS_V4_1 */ | |
| 39 | +static inline int xprt_setup_backchannel(struct rpc_xprt *xprt, | |
| 40 | + unsigned int min_reqs) | |
| 41 | +{ | |
| 42 | + return 0; | |
| 43 | +} | |
| 44 | +#endif /* CONFIG_NFS_V4_1 */ | |
| 45 | +#endif /* _LINUX_SUNRPC_BC_XPRT_H */ |