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authorAndy Grover <andy.grover@oracle.com>2010-01-27 16:15:48 -0800
committerAndy Grover <andy.grover@oracle.com>2010-09-08 18:11:57 -0700
commitd0ab25a83c4a08cd98b73a37d3f4c069f7b4f50b (patch)
treed21dad44f483e684c35209f61b905b53ae582050 /net/rds
parent4324879df06ba4db01a0b455af2d003f117e6aa3 (diff)
downloadop-kernel-dev-d0ab25a83c4a08cd98b73a37d3f4c069f7b4f50b.zip
op-kernel-dev-d0ab25a83c4a08cd98b73a37d3f4c069f7b4f50b.tar.gz
RDS: purge atomic resources too in rds_message_purge()
Add atomic_free_op function, analogous to rdma_free_op, and call it in rds_message_purge(). Signed-off-by: Andy Grover <andy.grover@oracle.com>
Diffstat (limited to 'net/rds')
-rw-r--r--net/rds/message.c5
-rw-r--r--net/rds/rdma.c16
-rw-r--r--net/rds/rds.h1
3 files changed, 22 insertions, 0 deletions
diff --git a/net/rds/message.c b/net/rds/message.c
index a27e493..b53306c 100644
--- a/net/rds/message.c
+++ b/net/rds/message.c
@@ -73,6 +73,11 @@ static void rds_message_purge(struct rds_message *rm)
rds_rdma_free_op(&rm->rdma.m_rdma_op);
if (rm->rdma.m_rdma_mr)
rds_mr_put(rm->rdma.m_rdma_mr);
+
+ if (rm->atomic.op_active)
+ rds_atomic_free_op(&rm->atomic);
+ if (rm->atomic.op_rdma_mr)
+ rds_mr_put(rm->atomic.op_rdma_mr);
}
void rds_message_put(struct rds_message *rm)
diff --git a/net/rds/rdma.c b/net/rds/rdma.c
index 91967c8..0df86a3 100644
--- a/net/rds/rdma.c
+++ b/net/rds/rdma.c
@@ -462,6 +462,22 @@ void rds_rdma_free_op(struct rds_rdma_op *ro)
ro->r_active = 0;
}
+void rds_atomic_free_op(struct rm_atomic_op *ao)
+{
+ struct page *page = sg_page(ao->op_sg);
+
+ /* Mark page dirty if it was possibly modified, which
+ * is the case for a RDMA_READ which copies from remote
+ * to local memory */
+ set_page_dirty(page);
+ put_page(page);
+
+ kfree(ao->op_notifier);
+ ao->op_notifier = NULL;
+ ao->op_active = 0;
+}
+
+
/*
* Count the number of pages needed to describe an incoming iovec.
*/
diff --git a/net/rds/rds.h b/net/rds/rds.h
index bf2349da..32b3d46 100644
--- a/net/rds/rds.h
+++ b/net/rds/rds.h
@@ -745,6 +745,7 @@ int rds_cmsg_rdma_args(struct rds_sock *rs, struct rds_message *rm,
int rds_cmsg_rdma_map(struct rds_sock *rs, struct rds_message *rm,
struct cmsghdr *cmsg);
void rds_rdma_free_op(struct rds_rdma_op *ro);
+void rds_atomic_free_op(struct rm_atomic_op *ao);
void rds_rdma_send_complete(struct rds_message *rm, int wc_status);
void rds_atomic_send_complete(struct rds_message *rm, int wc_status);
int rds_cmsg_atomic(struct rds_sock *rs, struct rds_message *rm,
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