From c5a382ebdbdaac27ec109993e29f9045d70297f2 Mon Sep 17 00:00:00 2001 From: Olga Kornievskaia Date: Tue, 8 Jun 2021 15:59:12 -0400 Subject: sunrpc: Create per-rpc_clnt sysfs kobjects These will eventually have files placed under them for sysfs operations. Signed-off-by: Anna Schumaker Signed-off-by: Olga Kornievskaia Signed-off-by: Trond Myklebust --- include/linux/sunrpc/clnt.h | 2 ++ 1 file changed, 2 insertions(+) (limited to 'include/linux') diff --git a/include/linux/sunrpc/clnt.h b/include/linux/sunrpc/clnt.h index 02e7a5863d28..8b5d5c97553e 100644 --- a/include/linux/sunrpc/clnt.h +++ b/include/linux/sunrpc/clnt.h @@ -29,6 +29,7 @@ #include struct rpc_inode; +struct rpc_sysfs_client; /* * The high-level client handle @@ -71,6 +72,7 @@ struct rpc_clnt { #if IS_ENABLED(CONFIG_SUNRPC_DEBUG) struct dentry *cl_debugfs; /* debugfs directory */ #endif + struct rpc_sysfs_client *cl_sysfs; /* sysfs directory */ /* cl_work is only needed after cl_xpi is no longer used, * and that are of similar size */ -- cgit v1.2.3 From 572caba402e10b35a080d1b43c0193da364f3a17 Mon Sep 17 00:00:00 2001 From: Olga Kornievskaia Date: Tue, 8 Jun 2021 15:59:13 -0400 Subject: sunrpc: add xprt id This adds a unique identifier for a sunrpc transport in sysfs, which is similarly managed to the unique IDs of clients. Signed-off-by: Dan Aloni Signed-off-by: Olga Kornievskaia Signed-off-by: Trond Myklebust --- include/linux/sunrpc/xprt.h | 2 ++ 1 file changed, 2 insertions(+) (limited to 'include/linux') diff --git a/include/linux/sunrpc/xprt.h b/include/linux/sunrpc/xprt.h index 61b622e334ee..1fbc470ce205 100644 --- a/include/linux/sunrpc/xprt.h +++ b/include/linux/sunrpc/xprt.h @@ -185,6 +185,7 @@ enum xprt_transports { struct rpc_xprt { struct kref kref; /* Reference count */ const struct rpc_xprt_ops *ops; /* transport methods */ + unsigned int id; /* transport id */ const struct rpc_timeout *timeout; /* timeout parms */ struct sockaddr_storage addr; /* server address */ @@ -370,6 +371,7 @@ struct rpc_xprt * xprt_alloc(struct net *net, size_t size, void xprt_free(struct rpc_xprt *); void xprt_add_backlog(struct rpc_xprt *xprt, struct rpc_task *task); bool xprt_wake_up_backlog(struct rpc_xprt *xprt, struct rpc_rqst *req); +void xprt_cleanup_ids(void); static inline int xprt_enable_swap(struct rpc_xprt *xprt) -- cgit v1.2.3 From 5b9268727f299f87432e8b035e9e8bec8ba13e8d Mon Sep 17 00:00:00 2001 From: Olga Kornievskaia Date: Tue, 8 Jun 2021 15:59:14 -0400 Subject: sunrpc: add IDs to multipath This is used to uniquely identify sunrpc multipath objects in /sys. Signed-off-by: Dan Aloni Signed-off-by: Olga Kornievskaia Signed-off-by: Trond Myklebust --- include/linux/sunrpc/xprtmultipath.h | 4 ++++ 1 file changed, 4 insertions(+) (limited to 'include/linux') diff --git a/include/linux/sunrpc/xprtmultipath.h b/include/linux/sunrpc/xprtmultipath.h index c6cce3fbf29d..ef95a6f18ccf 100644 --- a/include/linux/sunrpc/xprtmultipath.h +++ b/include/linux/sunrpc/xprtmultipath.h @@ -14,6 +14,7 @@ struct rpc_xprt_switch { spinlock_t xps_lock; struct kref xps_kref; + unsigned int xps_id; unsigned int xps_nxprts; unsigned int xps_nactive; atomic_long_t xps_queuelen; @@ -71,4 +72,7 @@ extern struct rpc_xprt *xprt_iter_get_next(struct rpc_xprt_iter *xpi); extern bool rpc_xprt_switch_has_addr(struct rpc_xprt_switch *xps, const struct sockaddr *sap); + +extern void xprt_multipath_cleanup_ids(void); + #endif -- cgit v1.2.3 From d3abc73987fd2a5992a9bdae9f44fa43d1b4db70 Mon Sep 17 00:00:00 2001 From: Olga Kornievskaia Date: Tue, 8 Jun 2021 15:59:15 -0400 Subject: sunrpc: keep track of the xprt_class in rpc_xprt structure We need to keep track of the type for a given transport. Signed-off-by: Olga Kornievskaia Signed-off-by: Trond Myklebust --- include/linux/sunrpc/xprt.h | 2 ++ 1 file changed, 2 insertions(+) (limited to 'include/linux') diff --git a/include/linux/sunrpc/xprt.h b/include/linux/sunrpc/xprt.h index 1fbc470ce205..7efc6c0a5455 100644 --- a/include/linux/sunrpc/xprt.h +++ b/include/linux/sunrpc/xprt.h @@ -53,6 +53,7 @@ enum rpc_display_format_t { struct rpc_task; struct rpc_xprt; +struct xprt_class; struct seq_file; struct svc_serv; struct net; @@ -289,6 +290,7 @@ struct rpc_xprt { atomic_t inject_disconnect; #endif struct rcu_head rcu; + const struct xprt_class *xprt_class; }; #if defined(CONFIG_SUNRPC_BACKCHANNEL) -- cgit v1.2.3 From baea99445dd4675a834e8a5987d2f368adb62e6c Mon Sep 17 00:00:00 2001 From: Olga Kornievskaia Date: Tue, 8 Jun 2021 15:59:16 -0400 Subject: sunrpc: add xprt_switch direcotry to sunrpc's sysfs Add xprt_switch directory to the sysfs and create individual xprt_swith subdirectories for multipath transport group. Signed-off-by: Olga Kornievskaia Signed-off-by: Trond Myklebust --- include/linux/sunrpc/xprtmultipath.h | 2 ++ 1 file changed, 2 insertions(+) (limited to 'include/linux') diff --git a/include/linux/sunrpc/xprtmultipath.h b/include/linux/sunrpc/xprtmultipath.h index ef95a6f18ccf..b19addc8b715 100644 --- a/include/linux/sunrpc/xprtmultipath.h +++ b/include/linux/sunrpc/xprtmultipath.h @@ -10,6 +10,7 @@ #define _NET_SUNRPC_XPRTMULTIPATH_H struct rpc_xprt_iter_ops; +struct rpc_sysfs_xprt_switch; struct rpc_xprt_switch { spinlock_t xps_lock; struct kref xps_kref; @@ -24,6 +25,7 @@ struct rpc_xprt_switch { const struct rpc_xprt_iter_ops *xps_iter_ops; + struct rpc_sysfs_xprt_switch *xps_sysfs; struct rcu_head xps_rcu; }; -- cgit v1.2.3 From d408ebe04ac58eb370e2d264e88edbab746adda6 Mon Sep 17 00:00:00 2001 From: Olga Kornievskaia Date: Tue, 8 Jun 2021 15:59:18 -0400 Subject: sunrpc: add add sysfs directory per xprt under each xprt_switch Add individual transport directories under each transport switch group. For instance, for each nconnect=X connections there will be a transport directory. Naming conventions also identifies transport type -- xprt-- where type is udp, tcp, rdma, local, bc. Signed-off-by: Olga Kornievskaia Signed-off-by: Trond Myklebust --- include/linux/sunrpc/xprt.h | 2 ++ 1 file changed, 2 insertions(+) (limited to 'include/linux') diff --git a/include/linux/sunrpc/xprt.h b/include/linux/sunrpc/xprt.h index 7efc6c0a5455..8360db664e5f 100644 --- a/include/linux/sunrpc/xprt.h +++ b/include/linux/sunrpc/xprt.h @@ -183,6 +183,7 @@ enum xprt_transports { XPRT_TRANSPORT_LOCAL = 257, }; +struct rpc_sysfs_xprt; struct rpc_xprt { struct kref kref; /* Reference count */ const struct rpc_xprt_ops *ops; /* transport methods */ @@ -291,6 +292,7 @@ struct rpc_xprt { #endif struct rcu_head rcu; const struct xprt_class *xprt_class; + struct rpc_sysfs_xprt *xprt_sysfs; }; #if defined(CONFIG_SUNRPC_BACKCHANNEL) -- cgit v1.2.3 From 587bc7255d26ca80b58026881db5fb3bf770cc43 Mon Sep 17 00:00:00 2001 From: Olga Kornievskaia Date: Tue, 8 Jun 2021 15:59:19 -0400 Subject: sunrpc: add dst_attr attributes to the sysfs xprt directory Allow to query and set the destination's address of a transport. Setting of the destination address is allowed only for TCP or RDMA based connections. Signed-off-by: Olga Kornievskaia Signed-off-by: Trond Myklebust --- include/linux/sunrpc/xprt.h | 1 + 1 file changed, 1 insertion(+) (limited to 'include/linux') diff --git a/include/linux/sunrpc/xprt.h b/include/linux/sunrpc/xprt.h index 8360db664e5f..13a4eaf385cf 100644 --- a/include/linux/sunrpc/xprt.h +++ b/include/linux/sunrpc/xprt.h @@ -414,6 +414,7 @@ void xprt_conditional_disconnect(struct rpc_xprt *xprt, unsigned int cookie); bool xprt_lock_connect(struct rpc_xprt *, struct rpc_task *, void *); void xprt_unlock_connect(struct rpc_xprt *, void *); +void xprt_release_write(struct rpc_xprt *, struct rpc_task *); /* * Reserved bit positions in xprt->state -- cgit v1.2.3