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Commit 5a0ffe54 authored by Andy Adamson's avatar Andy Adamson Committed by Benny Halevy
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nfs41: Release backchannel resources associated with session 



Frees the preallocated backchannel resources that are associated with
this session when the session is destroyed.

A backchannel is currently created once per session. Destroy the backchannel
only when the session is destroyed.

Signed-off-by: default avatarRicardo Labiaga <ricardo.labiaga@netapp.com>
Signed-off-by: default avatarAndy <Adamson&lt;andros@netapp.com>
Signed-off-by: default avatarBenny Halevy <bhalevy@panasas.com>
parent 343952fa

fs/nfs/nfs4proc.c

+6 −0
Original line number Diff line number Diff line
@@ -49,6 +49,7 @@ 
#include <linux/namei.h>

#include <linux/mount.h>

#include <linux/module.h>

#include <linux/sunrpc/bc_xprt.h>



#include "nfs4_fs.h"

#include "delegation.h"
@@ -4481,6 +4482,11 @@ struct nfs4_session *nfs4_alloc_session(struct nfs_client *clp) 


void nfs4_destroy_session(struct nfs4_session *session)

{

	nfs4_proc_destroy_session(session);

	dprintk("%s Destroy backchannel for xprt %p\n",

		__func__, session->clp->cl_rpcclient->cl_xprt);

	xprt_destroy_backchannel(session->clp->cl_rpcclient->cl_xprt,

				NFS41_BC_MIN_CALLBACKS);

	nfs4_destroy_slot_table(session);

	kfree(session);

}

fs/nfs/super.c

+0 −1
Original line number Diff line number Diff line
@@ -2488,7 +2488,6 @@ static void nfs4_kill_super(struct super_block *sb) 
	dprintk("--> %s\n", __func__);

	nfs_super_return_all_delegations(sb);

	kill_anon_super(sb);



	nfs4_renewd_prepare_shutdown(server);

	nfs_fscache_release_super_cookie(sb);

	nfs_free_server(server);