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Commit fda1bfef authored by Trond Myklebust's avatar Trond Myklebust
Browse files

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: default avatarTrond Myklebust <trond.myklebust@primarydata.com>
parent 30c5116b

include/linux/sunrpc/xprt.h

+1 −0
Original line number Diff line number Diff line
@@ -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)

net/sunrpc/xprt.c

+2 −1
Original line number Diff line number Diff line
@@ -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);