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NFSv4.1: Don't confuse target_highest_slotid and max_slots in cb_recall_slot

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Don't confuse the table size and the target_highest_slotid...

Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
This commit is contained in:
Trond Myklebust 2012-11-20 20:24:02 -05:00
parent ce008c4bb9
commit d5fb4ce33e
3 changed files with 7 additions and 9 deletions
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2
fs/nfs/callback.h
View File

@ -142,7 +142,7 @@ extern __be32 nfs4_callback_recallany(struct cb_recallanyargs *args,
struct cb_recallslotargs {
struct sockaddr *crsa_addr;
uint32_t crsa_target_max_slots;
uint32_t crsa_target_highest_slotid;
};
extern __be32 nfs4_callback_recallslot(struct cb_recallslotargs *args,
void *dummy,

12
fs/nfs/callback_proc.c
View File

@ -561,22 +561,20 @@ __be32 nfs4_callback_recallslot(struct cb_recallslotargs *args, void *dummy,
if (!cps->clp) /* set in cb_sequence */
goto out;
dprintk_rcu("NFS: CB_RECALL_SLOT request from %s target max slots %d\n",
dprintk_rcu("NFS: CB_RECALL_SLOT request from %s target highest slotid %d\n",
rpc_peeraddr2str(cps->clp->cl_rpcclient, RPC_DISPLAY_ADDR),
args->crsa_target_max_slots);
args->crsa_target_highest_slotid);
fc_tbl = &cps->clp->cl_session->fc_slot_table;
status = htonl(NFS4ERR_BAD_HIGH_SLOT);
if (args->crsa_target_max_slots > fc_tbl->max_slots ||
args->crsa_target_max_slots < 1)
if (args->crsa_target_highest_slotid >= fc_tbl->max_slots ||
args->crsa_target_highest_slotid < 1)
goto out;
status = htonl(NFS4_OK);
if (args->crsa_target_max_slots == fc_tbl->max_slots)
goto out;
nfs41_set_target_slotid(fc_tbl, args->crsa_target_max_slots);
nfs41_set_target_slotid(fc_tbl, args->crsa_target_highest_slotid);
nfs41_handle_recall_slot(cps->clp);
out:
dprintk("%s: exit with status = %d\n", __func__, ntohl(status));

2
fs/nfs/callback_xdr.c
View File

@ -520,7 +520,7 @@ static __be32 decode_recallslot_args(struct svc_rqst *rqstp,
p = read_buf(xdr, 4);
if (unlikely(p == NULL))
return htonl(NFS4ERR_BADXDR);
args->crsa_target_max_slots = ntohl(*p++);
args->crsa_target_highest_slotid = ntohl(*p++);
return 0;
}