nfs41: Release backchannel resources associated with session (5a0ffe54) · Commits · 戴 / test

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:

Ricardo Labiaga <ricardo.labiaga@netapp.com> Signed-off-by:

Andy <Adamson<andros@netapp.com> Signed-off-by:

Benny Halevy <bhalevy@panasas.com>

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);

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