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OpenCloudOS-Kernel
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nfsd4: clean up session allocation 

Signed-off-by: J. Bruce Fields <bfields@redhat.com>
This commit is contained in:
J. Bruce Fields 2012-09-12 09:51:34 -04:00
parent 1377b69e68
commit a827bcb242
1 changed files with 20 additions and 12 deletions
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32
fs/nfsd/nfs4state.c
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@ -758,7 +758,7 @@ static void nfsd4_put_drc_mem(int slotsize, int num)
spin_unlock(&nfsd_drc_lock);
}
static struct nfsd4_session *alloc_session(int slotsize, int numslots)
static struct nfsd4_session *__alloc_session(int slotsize, int numslots)
{
struct nfsd4_session *new;
int mem, i;
@ -921,14 +921,10 @@ void nfsd4_put_session(struct nfsd4_session *ses)
spin_unlock(&client_lock);
}
static struct nfsd4_session *alloc_init_session(struct svc_rqst *rqstp, struct nfs4_client *clp, struct nfsd4_create_session *cses)
static struct nfsd4_session *alloc_session(struct nfsd4_channel_attrs *fchan)
{
struct nfsd4_session *new;
struct nfsd4_conn *conn;
struct nfsd4_channel_attrs *fchan = &cses->fore_channel;
int numslots, slotsize;
int idx;
/*
* Note decreasing slot size below client's request may
* make it difficult for client to function correctly, whereas
@ -941,13 +937,30 @@ static struct nfsd4_session *alloc_init_session(struct svc_rqst *rqstp, struct n
if (numslots < 1)
return NULL;
new = alloc_session(slotsize, numslots);
new = __alloc_session(slotsize, numslots);
if (!new) {
nfsd4_put_drc_mem(slotsize, fchan->maxreqs);
return NULL;
}
init_forechannel_attrs(&new->se_fchannel, fchan, numslots, slotsize);
return new;
}
static struct nfsd4_session *alloc_init_session(struct svc_rqst *rqstp, struct nfs4_client *clp, struct nfsd4_create_session *cses)
{
struct nfsd4_session *new;
struct nfsd4_conn *conn;
int idx;
new = alloc_session(&cses->fore_channel);
if (!new)
return NULL;
conn = alloc_conn_from_crses(rqstp, cses);
if (!conn) {
__free_session(new);
return NULL;
}
new->se_client = clp;
gen_sessionid(new);
@ -965,11 +978,6 @@ static struct nfsd4_session *alloc_init_session(struct svc_rqst *rqstp, struct n
spin_unlock(&clp->cl_lock);
spin_unlock(&client_lock);
conn = alloc_conn_from_crses(rqstp, cses);
if (!conn) {
__free_session(new);
return NULL;
}
nfsd4_init_conn(rqstp, conn, new);
if (cses->flags & SESSION4_BACK_CHAN) {
struct sockaddr *sa = svc_addr(rqstp);