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authorChristian Schoenebeck <linux_oss@crudebyte.com>2022-07-15 23:33:09 +0200
committerDominique Martinet <asmadeus@codewreck.org>2022-10-05 07:05:41 +0900
commit01d205d936ae18532e14814808592b926aacc6d5 (patch)
tree34eabe10a371b919e9c2b48e03289a4bbe6ab4e4 /include/net
parentnet/9p: add p9_msg_buf_size() (diff)
downloadlinux-dev-01d205d936ae18532e14814808592b926aacc6d5.tar.xz
linux-dev-01d205d936ae18532e14814808592b926aacc6d5.zip
net/9p: add 'pooled_rbuffers' flag to struct p9_trans_module
This is a preparatory change for the subsequent patch: the RDMA transport pulls the buffers for its 9p response messages from a shared pool. [1] So this case has to be considered when choosing an appropriate response message size in the subsequent patch. Link: https://lore.kernel.org/all/Ys3jjg52EIyITPua@codewreck.org/ [1] Link: https://lkml.kernel.org/r/79d24310226bc4eb037892b5c097ec4ad4819a03.1657920926.git.linux_oss@crudebyte.com Signed-off-by: Christian Schoenebeck <linux_oss@crudebyte.com> Signed-off-by: Dominique Martinet <asmadeus@codewreck.org>
Diffstat (limited to 'include/net')
-rw-r--r--include/net/9p/transport.h5
1 files changed, 5 insertions, 0 deletions
diff --git a/include/net/9p/transport.h b/include/net/9p/transport.h
index ff842f963071..766ec07c9599 100644
--- a/include/net/9p/transport.h
+++ b/include/net/9p/transport.h
@@ -19,6 +19,10 @@
* @list: used to maintain a list of currently available transports
* @name: the human-readable name of the transport
* @maxsize: transport provided maximum packet size
+ * @pooled_rbuffers: currently only set for RDMA transport which pulls the
+ * response buffers from a shared pool, and accordingly
+ * we're less flexible when choosing the response message
+ * size in this case
* @def: set if this transport should be considered the default
* @create: member function to create a new connection on this transport
* @close: member function to discard a connection on this transport
@@ -38,6 +42,7 @@ struct p9_trans_module {
struct list_head list;
char *name; /* name of transport */
int maxsize; /* max message size of transport */
+ bool pooled_rbuffers;
int def; /* this transport should be default */
struct module *owner;
int (*create)(struct p9_client *client,