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nfsd: remove the cache_disabled flag 

With the change to dynamically allocate entries, the cache is never
disabled on the fly. Remove this flag.

Signed-off-by: Jeff Layton <jlayton@redhat.com>
Signed-off-by: J. Bruce Fields <bfields@redhat.com>
This commit is contained in:
Jeff Layton 2013-02-04 08:18:03 -05:00 committed by J. Bruce Fields
parent 0338dd1572
commit 13cc8a78e8
1 changed files with 3 additions and 7 deletions
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10
fs/nfsd/nfscache.c
View File

@ -21,7 +21,6 @@
static struct hlist_head * cache_hash;
static struct list_head lru_head;
static int cache_disabled = 1;
static struct kmem_cache *drc_slab;
static unsigned int num_drc_entries;
static unsigned int max_drc_entries;
@ -113,7 +112,6 @@ int nfsd_reply_cache_init(void)
INIT_LIST_HEAD(&lru_head);
max_drc_entries = nfsd_cache_size_limit();
num_drc_entries = 0;
cache_disabled = 0;
return 0;
out_nomem:
printk(KERN_ERR "nfsd: failed to allocate reply cache\n");
@ -130,8 +128,6 @@ void nfsd_reply_cache_shutdown(void)
nfsd_reply_cache_free_locked(rp);
}
cache_disabled = 1;
kfree (cache_hash);
cache_hash = NULL;
@ -215,7 +211,7 @@ nfsd_cache_lookup(struct svc_rqst *rqstp)
int rtn;
rqstp->rq_cacherep = NULL;
if (cache_disabled || type == RC_NOCACHE) {
if (type == RC_NOCACHE) {
nfsdstats.rcnocache++;
return RC_DOIT;
}
@ -345,11 +341,11 @@ found_entry:
void
nfsd_cache_update(struct svc_rqst *rqstp, int cachetype, __be32 *statp)
{
struct svc_cacherep *rp;
struct svc_cacherep *rp = rqstp->rq_cacherep;
struct kvec *resv = &rqstp->rq_res.head[0], *cachv;
int len;
if (!(rp = rqstp->rq_cacherep) || cache_disabled)
if (!rp)
return;
len = resv->iov_len - ((char*)statp - (char*)resv->iov_base);