diff options
author | Chuck Lever <chuck.lever@oracle.com> | 2015-03-30 14:35:17 -0400 |
---|---|---|
committer | Anna Schumaker <Anna.Schumaker@Netapp.com> | 2015-03-31 09:52:53 -0400 |
commit | 4561f347d49c645fd81d1f47b0fb460e8a6e4587 (patch) | |
tree | 139bf80af59a649e011c21f915d60ad2941850ef /net/sunrpc | |
parent | 31a701a94751509bb72e13d851f18ddcf22ff722 (diff) | |
download | op-kernel-dev-4561f347d49c645fd81d1f47b0fb460e8a6e4587.zip op-kernel-dev-4561f347d49c645fd81d1f47b0fb460e8a6e4587.tar.gz |
xprtrdma: Add "destroy MRs" memreg op
Memory Region objects associated with a transport instance are
destroyed before the instance is shutdown and destroyed.
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Reviewed-by: Sagi Grimberg <sagig@mellanox.com>
Tested-by: Devesh Sharma <Devesh.Sharma@Emulex.Com>
Tested-by: Meghana Cheripady <Meghana.Cheripady@Emulex.Com>
Tested-by: Veeresh U. Kokatnur <veereshuk@chelsio.com>
Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
Diffstat (limited to 'net/sunrpc')
-rw-r--r-- | net/sunrpc/xprtrdma/fmr_ops.c | 18 | ||||
-rw-r--r-- | net/sunrpc/xprtrdma/frwr_ops.c | 14 | ||||
-rw-r--r-- | net/sunrpc/xprtrdma/physical_ops.c | 6 | ||||
-rw-r--r-- | net/sunrpc/xprtrdma/verbs.c | 52 | ||||
-rw-r--r-- | net/sunrpc/xprtrdma/xprt_rdma.h | 1 |
5 files changed, 40 insertions, 51 deletions
diff --git a/net/sunrpc/xprtrdma/fmr_ops.c b/net/sunrpc/xprtrdma/fmr_ops.c index 93261b0..e9ca594 100644 --- a/net/sunrpc/xprtrdma/fmr_ops.c +++ b/net/sunrpc/xprtrdma/fmr_ops.c @@ -168,11 +168,29 @@ fmr_op_reset(struct rpcrdma_xprt *r_xprt) __func__, rc); } +static void +fmr_op_destroy(struct rpcrdma_buffer *buf) +{ + struct rpcrdma_mw *r; + int rc; + + while (!list_empty(&buf->rb_all)) { + r = list_entry(buf->rb_all.next, struct rpcrdma_mw, mw_all); + list_del(&r->mw_all); + rc = ib_dealloc_fmr(r->r.fmr); + if (rc) + dprintk("RPC: %s: ib_dealloc_fmr failed %i\n", + __func__, rc); + kfree(r); + } +} + const struct rpcrdma_memreg_ops rpcrdma_fmr_memreg_ops = { .ro_map = fmr_op_map, .ro_unmap = fmr_op_unmap, .ro_maxpages = fmr_op_maxpages, .ro_init = fmr_op_init, .ro_reset = fmr_op_reset, + .ro_destroy = fmr_op_destroy, .ro_displayname = "fmr", }; diff --git a/net/sunrpc/xprtrdma/frwr_ops.c b/net/sunrpc/xprtrdma/frwr_ops.c index c2bb29d..121e400 100644 --- a/net/sunrpc/xprtrdma/frwr_ops.c +++ b/net/sunrpc/xprtrdma/frwr_ops.c @@ -260,11 +260,25 @@ frwr_op_reset(struct rpcrdma_xprt *r_xprt) } } +static void +frwr_op_destroy(struct rpcrdma_buffer *buf) +{ + struct rpcrdma_mw *r; + + while (!list_empty(&buf->rb_all)) { + r = list_entry(buf->rb_all.next, struct rpcrdma_mw, mw_all); + list_del(&r->mw_all); + __frwr_release(r); + kfree(r); + } +} + const struct rpcrdma_memreg_ops rpcrdma_frwr_memreg_ops = { .ro_map = frwr_op_map, .ro_unmap = frwr_op_unmap, .ro_maxpages = frwr_op_maxpages, .ro_init = frwr_op_init, .ro_reset = frwr_op_reset, + .ro_destroy = frwr_op_destroy, .ro_displayname = "frwr", }; diff --git a/net/sunrpc/xprtrdma/physical_ops.c b/net/sunrpc/xprtrdma/physical_ops.c index e060713..eb39011e 100644 --- a/net/sunrpc/xprtrdma/physical_ops.c +++ b/net/sunrpc/xprtrdma/physical_ops.c @@ -64,11 +64,17 @@ physical_op_reset(struct rpcrdma_xprt *r_xprt) { } +static void +physical_op_destroy(struct rpcrdma_buffer *buf) +{ +} + const struct rpcrdma_memreg_ops rpcrdma_physical_memreg_ops = { .ro_map = physical_op_map, .ro_unmap = physical_op_unmap, .ro_maxpages = physical_op_maxpages, .ro_init = physical_op_init, .ro_reset = physical_op_reset, + .ro_destroy = physical_op_destroy, .ro_displayname = "physical", }; diff --git a/net/sunrpc/xprtrdma/verbs.c b/net/sunrpc/xprtrdma/verbs.c index 1b2c1f4..a7fb314 100644 --- a/net/sunrpc/xprtrdma/verbs.c +++ b/net/sunrpc/xprtrdma/verbs.c @@ -1199,47 +1199,6 @@ rpcrdma_destroy_req(struct rpcrdma_ia *ia, struct rpcrdma_req *req) kfree(req); } -static void -rpcrdma_destroy_fmrs(struct rpcrdma_buffer *buf) -{ - struct rpcrdma_mw *r; - int rc; - - while (!list_empty(&buf->rb_all)) { - r = list_entry(buf->rb_all.next, struct rpcrdma_mw, mw_all); - list_del(&r->mw_all); - list_del(&r->mw_list); - - rc = ib_dealloc_fmr(r->r.fmr); - if (rc) - dprintk("RPC: %s: ib_dealloc_fmr failed %i\n", - __func__, rc); - - kfree(r); - } -} - -static void -rpcrdma_destroy_frmrs(struct rpcrdma_buffer *buf) -{ - struct rpcrdma_mw *r; - int rc; - - while (!list_empty(&buf->rb_all)) { - r = list_entry(buf->rb_all.next, struct rpcrdma_mw, mw_all); - list_del(&r->mw_all); - list_del(&r->mw_list); - - rc = ib_dereg_mr(r->r.frmr.fr_mr); - if (rc) - dprintk("RPC: %s: ib_dereg_mr failed %i\n", - __func__, rc); - ib_free_fast_reg_page_list(r->r.frmr.fr_pgl); - - kfree(r); - } -} - void rpcrdma_buffer_destroy(struct rpcrdma_buffer *buf) { @@ -1260,16 +1219,7 @@ rpcrdma_buffer_destroy(struct rpcrdma_buffer *buf) rpcrdma_destroy_req(ia, buf->rb_send_bufs[i]); } - switch (ia->ri_memreg_strategy) { - case RPCRDMA_FRMR: - rpcrdma_destroy_frmrs(buf); - break; - case RPCRDMA_MTHCAFMR: - rpcrdma_destroy_fmrs(buf); - break; - default: - break; - } + ia->ri_ops->ro_destroy(buf); kfree(buf->rb_pool); } diff --git a/net/sunrpc/xprtrdma/xprt_rdma.h b/net/sunrpc/xprtrdma/xprt_rdma.h index 0680239..b95e223 100644 --- a/net/sunrpc/xprtrdma/xprt_rdma.h +++ b/net/sunrpc/xprtrdma/xprt_rdma.h @@ -343,6 +343,7 @@ struct rpcrdma_memreg_ops { size_t (*ro_maxpages)(struct rpcrdma_xprt *); int (*ro_init)(struct rpcrdma_xprt *); void (*ro_reset)(struct rpcrdma_xprt *); + void (*ro_destroy)(struct rpcrdma_buffer *); const char *ro_displayname; }; |