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SUNRPC: Make freeing of struct xprt rcu-safe 

Have it call kfree_rcu() to ensure that we can use it on rcu-protected
lists.

Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
This commit is contained in:
Trond Myklebust 2015-02-14 17:48:49 -05:00
parent 30c5116b11
commit fda1bfef9e
2 changed files with 3 additions and 1 deletions
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1
include/linux/sunrpc/xprt.h
View File

@ -257,6 +257,7 @@ struct rpc_xprt {
struct dentry *debugfs; /* debugfs directory */
atomic_t inject_disconnect;
#endif
struct rcu_head rcu;
};
#if defined(CONFIG_SUNRPC_BACKCHANNEL)

3
net/sunrpc/xprt.c
View File

@ -48,6 +48,7 @@
#include <linux/sunrpc/clnt.h>
#include <linux/sunrpc/metrics.h>
#include <linux/sunrpc/bc_xprt.h>
#include <linux/rcupdate.h>
#include <trace/events/sunrpc.h>
@ -1166,7 +1167,7 @@ void xprt_free(struct rpc_xprt *xprt)
{
put_net(xprt->xprt_net);
xprt_free_all_slots(xprt);
kfree(xprt);
kfree_rcu(xprt, rcu);
}
EXPORT_SYMBOL_GPL(xprt_free);