diff options
Diffstat (limited to 'net/sunrpc/xprt.c')
| -rw-r--r-- | net/sunrpc/xprt.c | 30 |
1 files changed, 29 insertions, 1 deletions
diff --git a/net/sunrpc/xprt.c b/net/sunrpc/xprt.c index 3509a7f139b9..fb6db09725c7 100644 --- a/net/sunrpc/xprt.c +++ b/net/sunrpc/xprt.c @@ -55,6 +55,7 @@ #include <trace/events/sunrpc.h> #include "sunrpc.h" +#include "sysfs.h" /* * Local variables @@ -443,7 +444,7 @@ void xprt_release_xprt_cong(struct rpc_xprt *xprt, struct rpc_task *task) } EXPORT_SYMBOL_GPL(xprt_release_xprt_cong); -static inline void xprt_release_write(struct rpc_xprt *xprt, struct rpc_task *task) +void xprt_release_write(struct rpc_xprt *xprt, struct rpc_task *task) { if (xprt->snd_task != task) return; @@ -1746,6 +1747,30 @@ static void xprt_free_all_slots(struct rpc_xprt *xprt) } } +static DEFINE_IDA(rpc_xprt_ids); + +void xprt_cleanup_ids(void) +{ + ida_destroy(&rpc_xprt_ids); +} + +static int xprt_alloc_id(struct rpc_xprt *xprt) +{ + int id; + + id = ida_simple_get(&rpc_xprt_ids, 0, 0, GFP_KERNEL); + if (id < 0) + return id; + + xprt->id = id; + return 0; +} + +static void xprt_free_id(struct rpc_xprt *xprt) +{ + ida_simple_remove(&rpc_xprt_ids, xprt->id); +} + struct rpc_xprt *xprt_alloc(struct net *net, size_t size, unsigned int num_prealloc, unsigned int max_alloc) @@ -1758,6 +1783,7 @@ struct rpc_xprt *xprt_alloc(struct net *net, size_t size, if (xprt == NULL) goto out; + xprt_alloc_id(xprt); xprt_init(xprt, net); for (i = 0; i < num_prealloc; i++) { @@ -1786,6 +1812,8 @@ void xprt_free(struct rpc_xprt *xprt) { put_net(xprt->xprt_net); xprt_free_all_slots(xprt); + xprt_free_id(xprt); + rpc_sysfs_xprt_destroy(xprt); kfree_rcu(xprt, rcu); } EXPORT_SYMBOL_GPL(xprt_free); |