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NFS refactor nfs4_check_serverowner_major_id

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For session trunking, to compare nfs41_exchange_id_res with
existing nfs_client

Signed-off-by: Andy Adamson <andros@netapp.com>
Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
This commit is contained in:
Andy Adamson 2016-09-09 09:22:20 -04:00 committed by Anna Schumaker
parent 8e548edb40
commit e7b7cbf662
1 changed files with 5 additions and 6 deletions
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11
fs/nfs/nfs4client.c
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@ -578,17 +578,15 @@ static bool nfs4_match_clientids(u64 a, u64 b)
* Returns true if the server major ids match
*/
static bool
nfs4_check_clientid_trunking(struct nfs_client *a, struct nfs_client *b)
nfs4_check_serverowner_major_id(struct nfs41_server_owner *o1,
struct nfs41_server_owner *o2)
{
struct nfs41_server_owner *o1 = a->cl_serverowner;
struct nfs41_server_owner *o2 = b->cl_serverowner;
if (o1->major_id_sz != o2->major_id_sz)
goto out_major_mismatch;
if (memcmp(o1->major_id, o2->major_id, o1->major_id_sz) != 0)
goto out_major_mismatch;
dprintk("NFS: --> %s server owners match\n", __func__);
dprintk("NFS: --> %s server owner major IDs match\n", __func__);
return true;
out_major_mismatch:
@ -658,7 +656,8 @@ int nfs41_walk_client_list(struct nfs_client *new,
* client id trunking. In either case, we want to fall back
* to using the existing nfs_client.
*/
if (!nfs4_check_clientid_trunking(pos, new))
if (!nfs4_check_serverowner_major_id(pos->cl_serverowner,
new->cl_serverowner))
continue;
/* Unlike NFSv4.0, we know that NFSv4.1 always uses the