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-rw-r--r--fs/nfsd/export.c4
-rw-r--r--fs/nfsd/nfs4idmap.c10
-rw-r--r--include/linux/sunrpc/cache.h28
-rw-r--r--net/sunrpc/auth_gss/svcauth_gss.c4
-rw-r--r--net/sunrpc/svcauth_unix.c2
5 files changed, 18 insertions, 30 deletions
diff --git a/fs/nfsd/export.c b/fs/nfsd/export.c
index 587829ed651c..c591761a1ad6 100644
--- a/fs/nfsd/export.c
+++ b/fs/nfsd/export.c
@@ -250,7 +250,7 @@ static inline void svc_expkey_update(struct svc_expkey *new, struct svc_expkey *
250 new->ek_dentry = dget(item->ek_dentry); 250 new->ek_dentry = dget(item->ek_dentry);
251} 251}
252 252
253static DefineSimpleCacheLookup(svc_expkey,0) /* no inplace updates */ 253static DefineSimpleCacheLookup(svc_expkey, svc_expkey)
254 254
255#define EXPORT_HASHBITS 8 255#define EXPORT_HASHBITS 8
256#define EXPORT_HASHMAX (1<< EXPORT_HASHBITS) 256#define EXPORT_HASHMAX (1<< EXPORT_HASHBITS)
@@ -482,7 +482,7 @@ static inline void svc_export_update(struct svc_export *new, struct svc_export *
482 new->ex_fsid = item->ex_fsid; 482 new->ex_fsid = item->ex_fsid;
483} 483}
484 484
485static DefineSimpleCacheLookup(svc_export,1) /* allow inplace updates */ 485static DefineSimpleCacheLookup(svc_export, svc_export)
486 486
487 487
488struct svc_expkey * 488struct svc_expkey *
diff --git a/fs/nfsd/nfs4idmap.c b/fs/nfsd/nfs4idmap.c
index 13369650cdf9..dea690aa8bb5 100644
--- a/fs/nfsd/nfs4idmap.c
+++ b/fs/nfsd/nfs4idmap.c
@@ -76,12 +76,6 @@ struct ent {
76 char authname[IDMAP_NAMESZ]; 76 char authname[IDMAP_NAMESZ];
77}; 77};
78 78
79#define DefineSimpleCacheLookupMap(STRUCT, FUNC) \
80 DefineCacheLookup(struct STRUCT, h, FUNC##_lookup, \
81 (struct STRUCT *item, int set), /*no setup */, \
82 & FUNC##_cache, FUNC##_hash(item), FUNC##_match(item, tmp), \
83 STRUCT##_init(new, item), STRUCT##_update(tmp, item), 0)
84
85/* Common entry handling */ 79/* Common entry handling */
86 80
87#define ENT_HASHBITS 8 81#define ENT_HASHBITS 8
@@ -264,7 +258,7 @@ out:
264 return error; 258 return error;
265} 259}
266 260
267static DefineSimpleCacheLookupMap(ent, idtoname); 261static DefineSimpleCacheLookup(ent, idtoname);
268 262
269/* 263/*
270 * Name -> ID cache 264 * Name -> ID cache
@@ -390,7 +384,7 @@ out:
390 return (error); 384 return (error);
391} 385}
392 386
393static DefineSimpleCacheLookupMap(ent, nametoid); 387static DefineSimpleCacheLookup(ent, nametoid);
394 388
395/* 389/*
396 * Exported API 390 * Exported API
diff --git a/include/linux/sunrpc/cache.h b/include/linux/sunrpc/cache.h
index c4e3ea7cf154..405ac14e509a 100644
--- a/include/linux/sunrpc/cache.h
+++ b/include/linux/sunrpc/cache.h
@@ -133,14 +133,11 @@ struct cache_deferred_req {
133 * If "set" == 0 : 133 * If "set" == 0 :
134 * If an entry is found, it is returned 134 * If an entry is found, it is returned
135 * If no entry is found, a new non-VALID entry is created. 135 * If no entry is found, a new non-VALID entry is created.
136 * If "set" == 1 and INPLACE == 0 : 136 * If "set" == 1 :
137 * If no entry is found a new one is inserted with data from "template" 137 * If no entry is found a new one is inserted with data from "template"
138 * If a non-CACHE_VALID entry is found, it is updated from template using UPDATE 138 * If a non-CACHE_VALID entry is found, it is updated from template using UPDATE
139 * If a CACHE_VALID entry is found, a new entry is swapped in with data 139 * If a CACHE_VALID entry is found, a new entry is swapped in with data
140 * from "template" 140 * from "template"
141 * If set == 1, and INPLACE == 1 :
142 * As above, except that if a CACHE_VALID entry is found, we UPDATE in place
143 * instead of swapping in a new entry.
144 * 141 *
145 * If the passed handle has the CACHE_NEGATIVE flag set, then UPDATE is not 142 * If the passed handle has the CACHE_NEGATIVE flag set, then UPDATE is not
146 * run but insteead CACHE_NEGATIVE is set in any new item. 143 * run but insteead CACHE_NEGATIVE is set in any new item.
@@ -159,13 +156,8 @@ struct cache_deferred_req {
159 * TEST tests if "tmp" matches "item" 156 * TEST tests if "tmp" matches "item"
160 * INIT copies key information from "item" to "new" 157 * INIT copies key information from "item" to "new"
161 * UPDATE copies content information from "item" to "tmp" 158 * UPDATE copies content information from "item" to "tmp"
162 * INPLACE is true if updates can happen inplace rather than allocating a new structure
163 *
164 * WARNING: any substantial changes to this must be reflected in
165 * net/sunrpc/svcauth.c(auth_domain_lookup)
166 * which is a similar routine that is open-coded.
167 */ 159 */
168#define DefineCacheLookup(RTN,MEMBER,FNAME,ARGS,SETUP,DETAIL,HASHFN,TEST,INIT,UPDATE,INPLACE) \ 160#define DefineCacheLookup(RTN,MEMBER,FNAME,ARGS,SETUP,DETAIL,HASHFN,TEST,INIT,UPDATE) \
169RTN *FNAME ARGS \ 161RTN *FNAME ARGS \
170{ \ 162{ \
171 RTN *tmp, *new=NULL; \ 163 RTN *tmp, *new=NULL; \
@@ -179,13 +171,13 @@ RTN *FNAME ARGS \
179 tmp = container_of(*hp, RTN, MEMBER); \ 171 tmp = container_of(*hp, RTN, MEMBER); \
180 if (TEST) { /* found a match */ \ 172 if (TEST) { /* found a match */ \
181 \ 173 \
182 if (set && !INPLACE && test_bit(CACHE_VALID, &tmp->MEMBER.flags) && !new) \ 174 if (set && test_bit(CACHE_VALID, &tmp->MEMBER.flags) && !new) \
183 break; \ 175 break; \
184 \ 176 \
185 if (new) \ 177 if (new) \
186 {INIT;} \ 178 {INIT;} \
187 if (set) { \ 179 if (set) { \
188 if (!INPLACE && test_bit(CACHE_VALID, &tmp->MEMBER.flags))\ 180 if (test_bit(CACHE_VALID, &tmp->MEMBER.flags))\
189 { /* need to swap in new */ \ 181 { /* need to swap in new */ \
190 RTN *t2; \ 182 RTN *t2; \
191 \ 183 \
@@ -206,7 +198,7 @@ RTN *FNAME ARGS \
206 else read_unlock(&(DETAIL)->hash_lock); \ 198 else read_unlock(&(DETAIL)->hash_lock); \
207 if (set) \ 199 if (set) \
208 cache_fresh(DETAIL, &tmp->MEMBER, item->MEMBER.expiry_time); \ 200 cache_fresh(DETAIL, &tmp->MEMBER, item->MEMBER.expiry_time); \
209 if (set && !INPLACE && new) cache_fresh(DETAIL, &new->MEMBER, 0); \ 201 if (set && new) cache_fresh(DETAIL, &new->MEMBER, 0); \
210 if (new) (DETAIL)->cache_put(&new->MEMBER, DETAIL); \ 202 if (new) (DETAIL)->cache_put(&new->MEMBER, DETAIL); \
211 return tmp; \ 203 return tmp; \
212 } \ 204 } \
@@ -239,10 +231,12 @@ RTN *FNAME ARGS \
239 return NULL; \ 231 return NULL; \
240} 232}
241 233
242#define DefineSimpleCacheLookup(STRUCT,INPLACE) \ 234#define DefineSimpleCacheLookup(STRUCT, FUNC) \
243 DefineCacheLookup(struct STRUCT, h, STRUCT##_lookup, (struct STRUCT *item, int set), /*no setup */, \ 235 DefineCacheLookup(struct STRUCT, h, FUNC##_lookup, \
244 & STRUCT##_cache, STRUCT##_hash(item), STRUCT##_match(item, tmp),\ 236 (struct STRUCT *item, int set), /*no setup */, \
245 STRUCT##_init(new, item), STRUCT##_update(tmp, item),INPLACE) 237 & FUNC##_cache, FUNC##_hash(item), FUNC##_match(item, tmp), \
238 STRUCT##_init(new, item), STRUCT##_update(tmp, item))
239
246 240
247#define cache_for_each(pos, detail, index, member) \ 241#define cache_for_each(pos, detail, index, member) \
248 for (({read_lock(&(detail)->hash_lock); index = (detail)->hash_size;}) ; \ 242 for (({read_lock(&(detail)->hash_lock); index = (detail)->hash_size;}) ; \
diff --git a/net/sunrpc/auth_gss/svcauth_gss.c b/net/sunrpc/auth_gss/svcauth_gss.c
index 6b073c2e6930..aadb4e8d6aa7 100644
--- a/net/sunrpc/auth_gss/svcauth_gss.c
+++ b/net/sunrpc/auth_gss/svcauth_gss.c
@@ -259,7 +259,7 @@ static struct cache_detail rsi_cache = {
259 .cache_parse = rsi_parse, 259 .cache_parse = rsi_parse,
260}; 260};
261 261
262static DefineSimpleCacheLookup(rsi, 0) 262static DefineSimpleCacheLookup(rsi, rsi)
263 263
264/* 264/*
265 * The rpcsec_context cache is used to store a context that is 265 * The rpcsec_context cache is used to store a context that is
@@ -446,7 +446,7 @@ static struct cache_detail rsc_cache = {
446 .cache_parse = rsc_parse, 446 .cache_parse = rsc_parse,
447}; 447};
448 448
449static DefineSimpleCacheLookup(rsc, 0); 449static DefineSimpleCacheLookup(rsc, rsc);
450 450
451static struct rsc * 451static struct rsc *
452gss_svc_searchbyctx(struct xdr_netobj *handle) 452gss_svc_searchbyctx(struct xdr_netobj *handle)
diff --git a/net/sunrpc/svcauth_unix.c b/net/sunrpc/svcauth_unix.c
index 17e8b2a3130c..7ddf068b5b25 100644
--- a/net/sunrpc/svcauth_unix.c
+++ b/net/sunrpc/svcauth_unix.c
@@ -258,7 +258,7 @@ struct cache_detail ip_map_cache = {
258 .cache_show = ip_map_show, 258 .cache_show = ip_map_show,
259}; 259};
260 260
261static DefineSimpleCacheLookup(ip_map, 0) 261static DefineSimpleCacheLookup(ip_map, ip_map)
262 262
263 263
264int auth_unix_add_addr(struct in_addr addr, struct auth_domain *dom) 264int auth_unix_add_addr(struct in_addr addr, struct auth_domain *dom)