Return-Path: linux-nfs-owner@vger.kernel.org Received: from fieldses.org ([174.143.236.118]:51568 "EHLO fieldses.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753654Ab3BDRPW (ORCPT ); Mon, 4 Feb 2013 12:15:22 -0500 Date: Mon, 4 Feb 2013 12:15:16 -0500 From: "J. Bruce Fields" To: Jeff Layton Cc: Stanislav Kinsbursky , linux-nfs@vger.kernel.org, Trond.Myklebust@netapp.com, linux-kernel@vger.kernel.org, devel@openvz.org Subject: Re: [PATCH 2/4] SUNRPC: remove cache_detail->cache_upcall callback Message-ID: <20130204171516.GH815@fieldses.org> References: <20130115080402.2996.74320.stgit@localhost.localdomain> <20130115080936.2996.1659.stgit@localhost.localdomain> <20130204115002.7eec67fc@tlielax.poochiereds.net> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 In-Reply-To: <20130204115002.7eec67fc@tlielax.poochiereds.net> Sender: linux-nfs-owner@vger.kernel.org List-ID: On Mon, Feb 04, 2013 at 11:50:02AM -0500, Jeff Layton wrote: > On Tue, 15 Jan 2013 11:09:36 +0300 > Stanislav Kinsbursky wrote: > > > This callback is redundant since all that its' implementations are doing is > > calling sunrpc_cache_pipe_upcall() with proper function address argument. This > > function address is now stored on cache_detail structure and thus all the code > > can be simplified. > > > > Signed-off-by: Stanislav Kinsbursky > > --- > > fs/nfsd/export.c | 12 ------------ > > fs/nfsd/nfs4idmap.c | 14 -------------- > > include/linux/sunrpc/cache.h | 3 --- > > net/sunrpc/auth_gss/svcauth_gss.c | 7 ------- > > net/sunrpc/cache.c | 6 +++--- > > net/sunrpc/svcauth_unix.c | 12 ------------ > > 6 files changed, 3 insertions(+), 51 deletions(-) > > > > diff --git a/fs/nfsd/export.c b/fs/nfsd/export.c > > index 63ee3bc..6f030a5 100644 > > --- a/fs/nfsd/export.c > > +++ b/fs/nfsd/export.c > > @@ -67,11 +67,6 @@ static void expkey_request(struct cache_detail *cd, > > (*bpp)[-1] = '\n'; > > } > > > > -static int expkey_upcall(struct cache_detail *cd, struct cache_head *h) > > -{ > > - return sunrpc_cache_pipe_upcall(cd, h, cd->cache_request); > > -} > > - > > static struct svc_expkey *svc_expkey_update(struct cache_detail *cd, struct svc_expkey *new, > > struct svc_expkey *old); > > static struct svc_expkey *svc_expkey_lookup(struct cache_detail *cd, struct svc_expkey *); > > @@ -245,7 +240,6 @@ static struct cache_detail svc_expkey_cache_template = { > > .hash_size = EXPKEY_HASHMAX, > > .name = "nfsd.fh", > > .cache_put = expkey_put, > > - .cache_upcall = expkey_upcall, > > .cache_request = expkey_request, > > .cache_parse = expkey_parse, > > .cache_show = expkey_show, > > @@ -338,11 +332,6 @@ static void svc_export_request(struct cache_detail *cd, > > (*bpp)[-1] = '\n'; > > } > > > > -static int svc_export_upcall(struct cache_detail *cd, struct cache_head *h) > > -{ > > - return sunrpc_cache_pipe_upcall(cd, h, cd->cache_request); > > -} > > - > > static struct svc_export *svc_export_update(struct svc_export *new, > > struct svc_export *old); > > static struct svc_export *svc_export_lookup(struct svc_export *); > > @@ -712,7 +701,6 @@ static struct cache_detail svc_export_cache_template = { > > .hash_size = EXPORT_HASHMAX, > > .name = "nfsd.export", > > .cache_put = svc_export_put, > > - .cache_upcall = svc_export_upcall, > > .cache_request = svc_export_request, > > .cache_parse = svc_export_parse, > > .cache_show = svc_export_show, > > diff --git a/fs/nfsd/nfs4idmap.c b/fs/nfsd/nfs4idmap.c > > index 9033dfd..d9402ea 100644 > > --- a/fs/nfsd/nfs4idmap.c > > +++ b/fs/nfsd/nfs4idmap.c > > @@ -140,12 +140,6 @@ idtoname_request(struct cache_detail *cd, struct cache_head *ch, char **bpp, > > } > > > > static int > > -idtoname_upcall(struct cache_detail *cd, struct cache_head *ch) > > -{ > > - return sunrpc_cache_pipe_upcall(cd, ch, cd->cache_request); > > -} > > - > > -static int > > idtoname_match(struct cache_head *ca, struct cache_head *cb) > > { > > struct ent *a = container_of(ca, struct ent, h); > > @@ -192,7 +186,6 @@ static struct cache_detail idtoname_cache_template = { > > .hash_size = ENT_HASHMAX, > > .name = "nfs4.idtoname", > > .cache_put = ent_put, > > - .cache_upcall = idtoname_upcall, > > .cache_request = idtoname_request, > > .cache_parse = idtoname_parse, > > .cache_show = idtoname_show, > > @@ -322,12 +315,6 @@ nametoid_request(struct cache_detail *cd, struct cache_head *ch, char **bpp, > > } > > > > static int > > -nametoid_upcall(struct cache_detail *cd, struct cache_head *ch) > > -{ > > - return sunrpc_cache_pipe_upcall(cd, ch, cd->cache_request); > > -} > > - > > -static int > > nametoid_match(struct cache_head *ca, struct cache_head *cb) > > { > > struct ent *a = container_of(ca, struct ent, h); > > @@ -366,7 +353,6 @@ static struct cache_detail nametoid_cache_template = { > > .hash_size = ENT_HASHMAX, > > .name = "nfs4.nametoid", > > .cache_put = ent_put, > > - .cache_upcall = nametoid_upcall, > > .cache_request = nametoid_request, > > .cache_parse = nametoid_parse, > > .cache_show = nametoid_show, > > diff --git a/include/linux/sunrpc/cache.h b/include/linux/sunrpc/cache.h > > index 4f1c858..249e73a 100644 > > --- a/include/linux/sunrpc/cache.h > > +++ b/include/linux/sunrpc/cache.h > > @@ -80,9 +80,6 @@ struct cache_detail { > > char *name; > > void (*cache_put)(struct kref *); > > > > - int (*cache_upcall)(struct cache_detail *, > > - struct cache_head *); > > - > > void (*cache_request)(struct cache_detail *cd, > > struct cache_head *ch, > > char **bpp, int *blen); > > diff --git a/net/sunrpc/auth_gss/svcauth_gss.c b/net/sunrpc/auth_gss/svcauth_gss.c > > index 82437f9..1bd18af 100644 > > --- a/net/sunrpc/auth_gss/svcauth_gss.c > > +++ b/net/sunrpc/auth_gss/svcauth_gss.c > > @@ -182,12 +182,6 @@ static void rsi_request(struct cache_detail *cd, > > (*bpp)[-1] = '\n'; > > } > > > > -static int rsi_upcall(struct cache_detail *cd, struct cache_head *h) > > -{ > > - return sunrpc_cache_pipe_upcall(cd, h, cd->cache_request); > > -} > > - > > - > > static int rsi_parse(struct cache_detail *cd, > > char *mesg, int mlen) > > { > > @@ -275,7 +269,6 @@ static struct cache_detail rsi_cache_template = { > > .hash_size = RSI_HASHMAX, > > .name = "auth.rpcsec.init", > > .cache_put = rsi_put, > > - .cache_upcall = rsi_upcall, > > .cache_request = rsi_request, > > .cache_parse = rsi_parse, > > .match = rsi_match, > > diff --git a/net/sunrpc/cache.c b/net/sunrpc/cache.c > > index fc2f7aa..ee6b5dd 100644 > > --- a/net/sunrpc/cache.c > > +++ b/net/sunrpc/cache.c > > @@ -196,9 +196,9 @@ EXPORT_SYMBOL_GPL(sunrpc_cache_update); > > > > static int cache_make_upcall(struct cache_detail *cd, struct cache_head *h) > > { > > - if (!cd->cache_upcall) > > + if (!cd->cache_request) > > return -EINVAL; > > - return cd->cache_upcall(cd, h); > > + return sunrpc_cache_pipe_upcall(cd, h, cd->cache_request); > > } > > > > static inline int cache_is_valid(struct cache_detail *detail, struct cache_head *h) > > @@ -1605,7 +1605,7 @@ static int create_cache_proc_entries(struct cache_detail *cd, struct net *net) > > if (p == NULL) > > goto out_nomem; > > > > - if (cd->cache_upcall || cd->cache_parse) { > > + if (cd->cache_request || cd->cache_parse) { > > p = proc_create_data("channel", S_IFREG|S_IRUSR|S_IWUSR, > > cd->u.procfs.proc_ent, > > &cache_file_operations_procfs, cd); > > diff --git a/net/sunrpc/svcauth_unix.c b/net/sunrpc/svcauth_unix.c > > index 6b03cc1..002ddd9 100644 > > --- a/net/sunrpc/svcauth_unix.c > > +++ b/net/sunrpc/svcauth_unix.c > > @@ -157,11 +157,6 @@ static void ip_map_request(struct cache_detail *cd, > > (*bpp)[-1] = '\n'; > > } > > > > -static int ip_map_upcall(struct cache_detail *cd, struct cache_head *h) > > -{ > > - return sunrpc_cache_pipe_upcall(cd, h, cd->cache_request); > > -} > > - > > static struct ip_map *__ip_map_lookup(struct cache_detail *cd, char *class, struct in6_addr *addr); > > static int __ip_map_update(struct cache_detail *cd, struct ip_map *ipm, struct unix_domain *udom, time_t expiry); > > > > @@ -470,11 +465,6 @@ static void unix_gid_request(struct cache_detail *cd, > > (*bpp)[-1] = '\n'; > > } > > > > -static int unix_gid_upcall(struct cache_detail *cd, struct cache_head *h) > > -{ > > - return sunrpc_cache_pipe_upcall(cd, h, cd->cache_request); > > -} > > - > > static struct unix_gid *unix_gid_lookup(struct cache_detail *cd, uid_t uid); > > > > static int unix_gid_parse(struct cache_detail *cd, > > @@ -577,7 +567,6 @@ static struct cache_detail unix_gid_cache_template = { > > .hash_size = GID_HASHMAX, > > .name = "auth.unix.gid", > > .cache_put = unix_gid_put, > > - .cache_upcall = unix_gid_upcall, > > .cache_request = unix_gid_request, > > .cache_parse = unix_gid_parse, > > .cache_show = unix_gid_show, > > @@ -875,7 +864,6 @@ static struct cache_detail ip_map_cache_template = { > > .hash_size = IP_HASHMAX, > > .name = "auth.unix.ip", > > .cache_put = ip_map_put, > > - .cache_upcall = ip_map_upcall, > > .cache_request = ip_map_request, > > .cache_parse = ip_map_parse, > > .cache_show = ip_map_show, > > > > -- > > To unsubscribe from this list: send the line "unsubscribe linux-nfs" in > > the body of a message to majordomo@vger.kernel.org > > More majordomo info at http://vger.kernel.org/majordomo-info.html > > > I'm seeing a build break from this patch when CONFIG_NFS_USE_KERNEL_DNS > is not set: > > CC [M] fs/nfs/dns_resolve.o > fs/nfs/dns_resolve.c: In function ‘nfs_dns_resolver_cache_init’: > fs/nfs/dns_resolve.c:377:4: error: ‘struct cache_detail’ has no member named ‘cache_upcall’ > fs/nfs/dns_resolve.c:377:35: warning: left-hand operand of comma expression has no effect [-Wunused-value] > fs/nfs/dns_resolve.c:377:35: warning: value computed is not used [-Wunused-value] > fs/nfs/dns_resolve.c:377:35: warning: value computed is not used [-Wunused-value] > fs/nfs/dns_resolve.c:377:35: warning: value computed is not used [-Wunused-value] > fs/nfs/dns_resolve.c:377:35: warning: value computed is not used [-Wunused-value] > fs/nfs/dns_resolve.c:377:35: warning: value computed is not used [-Wunused-value] > fs/nfs/dns_resolve.c:377:35: warning: value computed is not used [-Wunused-value] > fs/nfs/dns_resolve.c: At top level: > fs/nfs/dns_resolve.c:129:13: warning: ‘nfs_dns_request’ defined but not used [-Wunused-function] > make[1]: *** [fs/nfs/dns_resolve.o] Error 1 > make: *** [_module_fs/nfs] Error 2 > > ...looks like you need to convert that cache_detail to use your new > scheme as well? Those patches are gone from my latest tree. Stanislav has some replacements that should get committed soon. --b.