NFS: simplify and clean cache library
This is a cleanup patch. Such helpers like nfs_cache_init() and nfs_cache_destroy() are redundant, because they are just a wrappers around sunrpc_init_cache_detail() and sunrpc_destroy_cache_detail() respectively. So let's remove them completely and move corresponding logic to nfs_cache_register_net() and nfs_cache_unregister_net() respectively (since they are called together anyway). Signed-off-by: Stanislav Kinsbursky <skinsbursky@parallels.com> Signed-off-by: J. Bruce Fields <bfields@redhat.com>
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parent
483479c26a
commit
462b8f6bf1
3 changed files with 4 additions and 16 deletions
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@ -128,10 +128,13 @@ int nfs_cache_register_net(struct net *net, struct cache_detail *cd)
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struct super_block *pipefs_sb;
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int ret = 0;
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sunrpc_init_cache_detail(cd);
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pipefs_sb = rpc_get_sb_net(net);
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if (pipefs_sb) {
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ret = nfs_cache_register_sb(pipefs_sb, cd);
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rpc_put_sb_net(net);
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if (ret)
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sunrpc_destroy_cache_detail(cd);
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}
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return ret;
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}
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@ -151,14 +154,5 @@ void nfs_cache_unregister_net(struct net *net, struct cache_detail *cd)
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nfs_cache_unregister_sb(pipefs_sb, cd);
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rpc_put_sb_net(net);
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}
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}
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void nfs_cache_init(struct cache_detail *cd)
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{
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sunrpc_init_cache_detail(cd);
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}
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void nfs_cache_destroy(struct cache_detail *cd)
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{
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sunrpc_destroy_cache_detail(cd);
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}
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@ -23,8 +23,6 @@ extern struct nfs_cache_defer_req *nfs_cache_defer_req_alloc(void);
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extern void nfs_cache_defer_req_put(struct nfs_cache_defer_req *dreq);
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extern int nfs_cache_wait_for_upcall(struct nfs_cache_defer_req *dreq);
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extern void nfs_cache_init(struct cache_detail *cd);
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extern void nfs_cache_destroy(struct cache_detail *cd);
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extern int nfs_cache_register_net(struct net *net, struct cache_detail *cd);
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extern void nfs_cache_unregister_net(struct net *net, struct cache_detail *cd);
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extern int nfs_cache_register_sb(struct super_block *sb,
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@ -377,14 +377,12 @@ int nfs_dns_resolver_cache_init(struct net *net)
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if (IS_ERR(nn->nfs_dns_resolve))
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return PTR_ERR(nn->nfs_dns_resolve);
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nfs_cache_init(nn->nfs_dns_resolve);
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err = nfs_cache_register_net(net, nn->nfs_dns_resolve);
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if (err)
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goto err_reg;
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return 0;
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err_reg:
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nfs_cache_destroy(nn->nfs_dns_resolve);
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cache_destroy_net(nn->nfs_dns_resolve, net);
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return err;
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}
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@ -392,10 +390,8 @@ int nfs_dns_resolver_cache_init(struct net *net)
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void nfs_dns_resolver_cache_destroy(struct net *net)
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{
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struct nfs_net *nn = net_generic(net, nfs_net_id);
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struct cache_detail *cd = nn->nfs_dns_resolve;
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nfs_cache_unregister_net(net, cd);
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nfs_cache_destroy(cd);
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nfs_cache_unregister_net(net, nn->nfs_dns_resolve);
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cache_destroy_net(nn->nfs_dns_resolve, net);
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}
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