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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: Ricardo Labiaga <ricardo.labiaga@netapp.com>
Signed-off-by: Andy Adamson<andros@netapp.com>
Signed-off-by: Benny Halevy <bhalevy@panasas.com>
This commit is contained in:
Andy Adamson 2009-04-01 09:23:18 -04:00 committed by Benny Halevy
parent 343952fa5a
commit 5a0ffe544c
2 changed files with 6 additions and 1 deletions
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6
fs/nfs/nfs4proc.c
View File

@ -49,6 +49,7 @@
#include <linux/namei.h> #include <linux/namei.h>
#include <linux/mount.h> #include <linux/mount.h>
#include <linux/module.h> #include <linux/module.h>
#include <linux/sunrpc/bc_xprt.h>
#include "nfs4_fs.h" #include "nfs4_fs.h"
#include "delegation.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) 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); nfs4_destroy_slot_table(session);
kfree(session); kfree(session);
} }

1
fs/nfs/super.c
View File

@ -2488,7 +2488,6 @@ static void nfs4_kill_super(struct super_block *sb)
dprintk("--> %s\n", __func__); dprintk("--> %s\n", __func__);
nfs_super_return_all_delegations(sb); nfs_super_return_all_delegations(sb);
kill_anon_super(sb); kill_anon_super(sb);
nfs4_renewd_prepare_shutdown(server); nfs4_renewd_prepare_shutdown(server);
nfs_fscache_release_super_cookie(sb); nfs_fscache_release_super_cookie(sb);
nfs_free_server(server); nfs_free_server(server);