diff options
| -rw-r--r-- | include/linux/sunrpc/cache.h | 4 | ||||
| -rw-r--r-- | net/sunrpc/cache.c | 26 |
2 files changed, 30 insertions, 0 deletions
diff --git a/include/linux/sunrpc/cache.h b/include/linux/sunrpc/cache.h index 590a8ab0cec..259381ca811 100644 --- a/include/linux/sunrpc/cache.h +++ b/include/linux/sunrpc/cache.h @@ -117,6 +117,7 @@ struct cache_detail { struct cache_detail_procfs procfs; struct cache_detail_pipefs pipefs; } u; + struct net *net; }; @@ -202,6 +203,9 @@ extern int cache_register_net(struct cache_detail *cd, struct net *net); extern void cache_unregister(struct cache_detail *cd); extern void cache_unregister_net(struct cache_detail *cd, struct net *net); +extern struct cache_detail *cache_create_net(struct cache_detail *tmpl, struct net *net); +extern void cache_destroy_net(struct cache_detail *cd, struct net *net); + extern void sunrpc_init_cache_detail(struct cache_detail *cd); extern void sunrpc_destroy_cache_detail(struct cache_detail *cd); extern int sunrpc_cache_register_pipefs(struct dentry *parent, const char *, diff --git a/net/sunrpc/cache.c b/net/sunrpc/cache.c index fefe06729f9..a450b8ac648 100644 --- a/net/sunrpc/cache.c +++ b/net/sunrpc/cache.c @@ -1664,6 +1664,32 @@ void cache_unregister(struct cache_detail *cd) } EXPORT_SYMBOL_GPL(cache_unregister); +struct cache_detail *cache_create_net(struct cache_detail *tmpl, struct net *net) +{ + struct cache_detail *cd; + + cd = kmemdup(tmpl, sizeof(struct cache_detail), GFP_KERNEL); + if (cd == NULL) + return ERR_PTR(-ENOMEM); + + cd->hash_table = kzalloc(cd->hash_size * sizeof(struct cache_head *), + GFP_KERNEL); + if (cd->hash_table == NULL) { + kfree(cd); + return ERR_PTR(-ENOMEM); + } + cd->net = net; + return cd; +} +EXPORT_SYMBOL_GPL(cache_create_net); + +void cache_destroy_net(struct cache_detail *cd, struct net *net) +{ + kfree(cd->hash_table); + kfree(cd); +} +EXPORT_SYMBOL_GPL(cache_destroy_net); + static ssize_t cache_read_pipefs(struct file *filp, char __user *buf, size_t count, loff_t *ppos) { |