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authorLinus Torvalds <torvalds@linux-foundation.org>2009-03-14 15:00:18 -0400
committerLinus Torvalds <torvalds@linux-foundation.org>2009-03-14 15:00:18 -0400
commitf1823acfbcc7d29029d6db757644bc820664af37 (patch)
treebf7839d0976f90c638b4f7806be8ee16f3b786a7
parentff9cb43ce09a9069f0ec95375d2f403578ec4977 (diff)
parent9f4c899c0d90e1b51b6864834f3877b47c161a0e (diff)
Merge branch 'bugfixes' of git://git.linux-nfs.org/projects/trondmy/nfs-2.6
* 'bugfixes' of git://git.linux-nfs.org/projects/trondmy/nfs-2.6: NFS: Fix the fix to Bugzilla #11061, when IPv6 isn't defined... SUNRPC: xprt_connect() don't abort the task if the transport isn't bound SUNRPC: Fix an Oops due to socket not set up yet... Bug 11061, NFS mounts dropped NFS: Handle -ESTALE error in access() NLM: Fix GRANT callback address comparison when IPv6 is enabled NLM: Shrink the IPv4-only version of nlm_cmp_addr() NFSv3: Fix posix ACL code NFS: Fix misparsing of nfsv4 fs_locations attribute (take 2) SUNRPC: Tighten up the task locking rules in __rpc_execute()
-rw-r--r--fs/lockd/clntlock.c51
-rw-r--r--fs/nfs/client.c73
-rw-r--r--fs/nfs/dir.c8
-rw-r--r--fs/nfs/nfs3acl.c27
-rw-r--r--fs/nfs/nfs3xdr.c34
-rw-r--r--fs/nfs/nfs4namespace.c15
-rw-r--r--include/linux/lockd/lockd.h8
-rw-r--r--include/linux/nfs_xdr.h2
-rw-r--r--include/linux/nfsacl.h3
-rw-r--r--net/sunrpc/sched.c33
-rw-r--r--net/sunrpc/xprt.c2
-rw-r--r--net/sunrpc/xprtsock.c23
12 files changed, 223 insertions, 56 deletions
diff --git a/fs/lockd/clntlock.c b/fs/lockd/clntlock.c
index 1f3b0fc0d351..aedc47a264c1 100644
--- a/fs/lockd/clntlock.c
+++ b/fs/lockd/clntlock.c
@@ -139,6 +139,55 @@ int nlmclnt_block(struct nlm_wait *block, struct nlm_rqst *req, long timeout)
139 return 0; 139 return 0;
140} 140}
141 141
142#if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE)
143static const struct in6_addr *nlmclnt_map_v4addr(const struct sockaddr *sap,
144 struct in6_addr *addr_mapped)
145{
146 const struct sockaddr_in *sin = (const struct sockaddr_in *)sap;
147
148 switch (sap->sa_family) {
149 case AF_INET6:
150 return &((const struct sockaddr_in6 *)sap)->sin6_addr;
151 case AF_INET:
152 ipv6_addr_set_v4mapped(sin->sin_addr.s_addr, addr_mapped);
153 return addr_mapped;
154 }
155
156 return NULL;
157}
158
159/*
160 * If lockd is using a PF_INET6 listener, all incoming requests appear
161 * to come from AF_INET6 remotes. The address of AF_INET remotes are
162 * mapped to AF_INET6 automatically by the network layer. In case the
163 * user passed an AF_INET server address at mount time, ensure both
164 * addresses are AF_INET6 before comparing them.
165 */
166static int nlmclnt_cmp_addr(const struct nlm_host *host,
167 const struct sockaddr *sap)
168{
169 const struct in6_addr *addr1;
170 const struct in6_addr *addr2;
171 struct in6_addr addr1_mapped;
172 struct in6_addr addr2_mapped;
173
174 addr1 = nlmclnt_map_v4addr(nlm_addr(host), &addr1_mapped);
175 if (likely(addr1 != NULL)) {
176 addr2 = nlmclnt_map_v4addr(sap, &addr2_mapped);
177 if (likely(addr2 != NULL))
178 return ipv6_addr_equal(addr1, addr2);
179 }
180
181 return 0;
182}
183#else /* !(CONFIG_IPV6 || CONFIG_IPV6_MODULE) */
184static int nlmclnt_cmp_addr(const struct nlm_host *host,
185 const struct sockaddr *sap)
186{
187 return nlm_cmp_addr(nlm_addr(host), sap);
188}
189#endif /* !(CONFIG_IPV6 || CONFIG_IPV6_MODULE) */
190
142/* 191/*
143 * The server lockd has called us back to tell us the lock was granted 192 * The server lockd has called us back to tell us the lock was granted
144 */ 193 */
@@ -166,7 +215,7 @@ __be32 nlmclnt_grant(const struct sockaddr *addr, const struct nlm_lock *lock)
166 */ 215 */
167 if (fl_blocked->fl_u.nfs_fl.owner->pid != lock->svid) 216 if (fl_blocked->fl_u.nfs_fl.owner->pid != lock->svid)
168 continue; 217 continue;
169 if (!nlm_cmp_addr(nlm_addr(block->b_host), addr)) 218 if (!nlmclnt_cmp_addr(block->b_host, addr))
170 continue; 219 continue;
171 if (nfs_compare_fh(NFS_FH(fl_blocked->fl_file->f_path.dentry->d_inode) ,fh) != 0) 220 if (nfs_compare_fh(NFS_FH(fl_blocked->fl_file->f_path.dentry->d_inode) ,fh) != 0)
172 continue; 221 continue;
diff --git a/fs/nfs/client.c b/fs/nfs/client.c
index 9b728f3565a1..574158ae2398 100644
--- a/fs/nfs/client.c
+++ b/fs/nfs/client.c
@@ -255,6 +255,32 @@ static int nfs_sockaddr_match_ipaddr(const struct sockaddr *sa1,
255 } 255 }
256 return 0; 256 return 0;
257} 257}
258
259/*
260 * Test if two ip6 socket addresses refer to the same socket by
261 * comparing relevant fields. The padding bytes specifically, are not
262 * compared. sin6_flowinfo is not compared because it only affects QoS
263 * and sin6_scope_id is only compared if the address is "link local"
264 * because "link local" addresses need only be unique to a specific
265 * link. Conversely, ordinary unicast addresses might have different
266 * sin6_scope_id.
267 *
268 * The caller should ensure both socket addresses are AF_INET6.
269 */
270static int nfs_sockaddr_cmp_ip6(const struct sockaddr *sa1,
271 const struct sockaddr *sa2)
272{
273 const struct sockaddr_in6 *saddr1 = (const struct sockaddr_in6 *)sa1;
274 const struct sockaddr_in6 *saddr2 = (const struct sockaddr_in6 *)sa2;
275
276 if (!ipv6_addr_equal(&saddr1->sin6_addr,
277 &saddr1->sin6_addr))
278 return 0;
279 if (ipv6_addr_scope(&saddr1->sin6_addr) == IPV6_ADDR_SCOPE_LINKLOCAL &&
280 saddr1->sin6_scope_id != saddr2->sin6_scope_id)
281 return 0;
282 return saddr1->sin6_port == saddr2->sin6_port;
283}
258#else 284#else
259static int nfs_sockaddr_match_ipaddr4(const struct sockaddr_in *sa1, 285static int nfs_sockaddr_match_ipaddr4(const struct sockaddr_in *sa1,
260 const struct sockaddr_in *sa2) 286 const struct sockaddr_in *sa2)
@@ -270,9 +296,52 @@ static int nfs_sockaddr_match_ipaddr(const struct sockaddr *sa1,
270 return nfs_sockaddr_match_ipaddr4((const struct sockaddr_in *)sa1, 296 return nfs_sockaddr_match_ipaddr4((const struct sockaddr_in *)sa1,
271 (const struct sockaddr_in *)sa2); 297 (const struct sockaddr_in *)sa2);
272} 298}
299
300static int nfs_sockaddr_cmp_ip6(const struct sockaddr * sa1,
301 const struct sockaddr * sa2)
302{
303 return 0;
304}
273#endif 305#endif
274 306
275/* 307/*
308 * Test if two ip4 socket addresses refer to the same socket, by
309 * comparing relevant fields. The padding bytes specifically, are
310 * not compared.
311 *
312 * The caller should ensure both socket addresses are AF_INET.
313 */
314static int nfs_sockaddr_cmp_ip4(const struct sockaddr *sa1,
315 const struct sockaddr *sa2)
316{
317 const struct sockaddr_in *saddr1 = (const struct sockaddr_in *)sa1;
318 const struct sockaddr_in *saddr2 = (const struct sockaddr_in *)sa2;
319
320 if (saddr1->sin_addr.s_addr != saddr2->sin_addr.s_addr)
321 return 0;
322 return saddr1->sin_port == saddr2->sin_port;
323}
324
325/*
326 * Test if two socket addresses represent the same actual socket,
327 * by comparing (only) relevant fields.
328 */
329static int nfs_sockaddr_cmp(const struct sockaddr *sa1,
330 const struct sockaddr *sa2)
331{
332 if (sa1->sa_family != sa2->sa_family)
333 return 0;
334
335 switch (sa1->sa_family) {
336 case AF_INET:
337 return nfs_sockaddr_cmp_ip4(sa1, sa2);
338 case AF_INET6:
339 return nfs_sockaddr_cmp_ip6(sa1, sa2);
340 }
341 return 0;
342}
343
344/*
276 * Find a client by IP address and protocol version 345 * Find a client by IP address and protocol version
277 * - returns NULL if no such client 346 * - returns NULL if no such client
278 */ 347 */
@@ -344,8 +413,10 @@ struct nfs_client *nfs_find_client_next(struct nfs_client *clp)
344static struct nfs_client *nfs_match_client(const struct nfs_client_initdata *data) 413static struct nfs_client *nfs_match_client(const struct nfs_client_initdata *data)
345{ 414{
346 struct nfs_client *clp; 415 struct nfs_client *clp;
416 const struct sockaddr *sap = data->addr;
347 417
348 list_for_each_entry(clp, &nfs_client_list, cl_share_link) { 418 list_for_each_entry(clp, &nfs_client_list, cl_share_link) {
419 const struct sockaddr *clap = (struct sockaddr *)&clp->cl_addr;
349 /* Don't match clients that failed to initialise properly */ 420 /* Don't match clients that failed to initialise properly */
350 if (clp->cl_cons_state < 0) 421 if (clp->cl_cons_state < 0)
351 continue; 422 continue;
@@ -358,7 +429,7 @@ static struct nfs_client *nfs_match_client(const struct nfs_client_initdata *dat
358 continue; 429 continue;
359 430
360 /* Match the full socket address */ 431 /* Match the full socket address */
361 if (memcmp(&clp->cl_addr, data->addr, sizeof(clp->cl_addr)) != 0) 432 if (!nfs_sockaddr_cmp(sap, clap))
362 continue; 433 continue;
363 434
364 atomic_inc(&clp->cl_count); 435 atomic_inc(&clp->cl_count);
diff --git a/fs/nfs/dir.c b/fs/nfs/dir.c
index e35c8199f82f..672368f865ca 100644
--- a/fs/nfs/dir.c
+++ b/fs/nfs/dir.c
@@ -1892,8 +1892,14 @@ static int nfs_do_access(struct inode *inode, struct rpc_cred *cred, int mask)
1892 cache.cred = cred; 1892 cache.cred = cred;
1893 cache.jiffies = jiffies; 1893 cache.jiffies = jiffies;
1894 status = NFS_PROTO(inode)->access(inode, &cache); 1894 status = NFS_PROTO(inode)->access(inode, &cache);
1895 if (status != 0) 1895 if (status != 0) {
1896 if (status == -ESTALE) {
1897 nfs_zap_caches(inode);
1898 if (!S_ISDIR(inode->i_mode))
1899 set_bit(NFS_INO_STALE, &NFS_I(inode)->flags);
1900 }
1896 return status; 1901 return status;
1902 }
1897 nfs_access_add_cache(inode, &cache); 1903 nfs_access_add_cache(inode, &cache);
1898out: 1904out:
1899 if ((mask & ~cache.mask & (MAY_READ | MAY_WRITE | MAY_EXEC)) == 0) 1905 if ((mask & ~cache.mask & (MAY_READ | MAY_WRITE | MAY_EXEC)) == 0)
diff --git a/fs/nfs/nfs3acl.c b/fs/nfs/nfs3acl.c
index cef62557c87d..6bbf0e6daad2 100644
--- a/fs/nfs/nfs3acl.c
+++ b/fs/nfs/nfs3acl.c
@@ -292,7 +292,7 @@ static int nfs3_proc_setacls(struct inode *inode, struct posix_acl *acl,
292{ 292{
293 struct nfs_server *server = NFS_SERVER(inode); 293 struct nfs_server *server = NFS_SERVER(inode);
294 struct nfs_fattr fattr; 294 struct nfs_fattr fattr;
295 struct page *pages[NFSACL_MAXPAGES] = { }; 295 struct page *pages[NFSACL_MAXPAGES];
296 struct nfs3_setaclargs args = { 296 struct nfs3_setaclargs args = {
297 .inode = inode, 297 .inode = inode,
298 .mask = NFS_ACL, 298 .mask = NFS_ACL,
@@ -303,7 +303,7 @@ static int nfs3_proc_setacls(struct inode *inode, struct posix_acl *acl,
303 .rpc_argp = &args, 303 .rpc_argp = &args,
304 .rpc_resp = &fattr, 304 .rpc_resp = &fattr,
305 }; 305 };
306 int status, count; 306 int status;
307 307
308 status = -EOPNOTSUPP; 308 status = -EOPNOTSUPP;
309 if (!nfs_server_capable(inode, NFS_CAP_ACLS)) 309 if (!nfs_server_capable(inode, NFS_CAP_ACLS))
@@ -319,6 +319,20 @@ static int nfs3_proc_setacls(struct inode *inode, struct posix_acl *acl,
319 if (S_ISDIR(inode->i_mode)) { 319 if (S_ISDIR(inode->i_mode)) {
320 args.mask |= NFS_DFACL; 320 args.mask |= NFS_DFACL;
321 args.acl_default = dfacl; 321 args.acl_default = dfacl;
322 args.len = nfsacl_size(acl, dfacl);
323 } else
324 args.len = nfsacl_size(acl, NULL);
325
326 if (args.len > NFS_ACL_INLINE_BUFSIZE) {
327 unsigned int npages = 1 + ((args.len - 1) >> PAGE_SHIFT);
328
329 status = -ENOMEM;
330 do {
331 args.pages[args.npages] = alloc_page(GFP_KERNEL);
332 if (args.pages[args.npages] == NULL)
333 goto out_freepages;
334 args.npages++;
335 } while (args.npages < npages);
322 } 336 }
323 337
324 dprintk("NFS call setacl\n"); 338 dprintk("NFS call setacl\n");
@@ -329,10 +343,6 @@ static int nfs3_proc_setacls(struct inode *inode, struct posix_acl *acl,
329 nfs_zap_acl_cache(inode); 343 nfs_zap_acl_cache(inode);
330 dprintk("NFS reply setacl: %d\n", status); 344 dprintk("NFS reply setacl: %d\n", status);
331 345
332 /* pages may have been allocated at the xdr layer. */
333 for (count = 0; count < NFSACL_MAXPAGES && args.pages[count]; count++)
334 __free_page(args.pages[count]);
335
336 switch (status) { 346 switch (status) {
337 case 0: 347 case 0:
338 status = nfs_refresh_inode(inode, &fattr); 348 status = nfs_refresh_inode(inode, &fattr);
@@ -346,6 +356,11 @@ static int nfs3_proc_setacls(struct inode *inode, struct posix_acl *acl,
346 case -ENOTSUPP: 356 case -ENOTSUPP:
347 status = -EOPNOTSUPP; 357 status = -EOPNOTSUPP;
348 } 358 }
359out_freepages:
360 while (args.npages != 0) {
361 args.npages--;
362 __free_page(args.pages[args.npages]);
363 }
349out: 364out:
350 return status; 365 return status;
351} 366}
diff --git a/fs/nfs/nfs3xdr.c b/fs/nfs/nfs3xdr.c
index 11cdddec1432..6cdeacffde46 100644
--- a/fs/nfs/nfs3xdr.c
+++ b/fs/nfs/nfs3xdr.c
@@ -82,8 +82,10 @@
82#define NFS3_commitres_sz (1+NFS3_wcc_data_sz+2) 82#define NFS3_commitres_sz (1+NFS3_wcc_data_sz+2)
83 83
84#define ACL3_getaclargs_sz (NFS3_fh_sz+1) 84#define ACL3_getaclargs_sz (NFS3_fh_sz+1)
85#define ACL3_setaclargs_sz (NFS3_fh_sz+1+2*(2+5*3)) 85#define ACL3_setaclargs_sz (NFS3_fh_sz+1+ \
86#define ACL3_getaclres_sz (1+NFS3_post_op_attr_sz+1+2*(2+5*3)) 86 XDR_QUADLEN(NFS_ACL_INLINE_BUFSIZE))
87#define ACL3_getaclres_sz (1+NFS3_post_op_attr_sz+1+ \
88 XDR_QUADLEN(NFS_ACL_INLINE_BUFSIZE))
87#define ACL3_setaclres_sz (1+NFS3_post_op_attr_sz) 89#define ACL3_setaclres_sz (1+NFS3_post_op_attr_sz)
88 90
89/* 91/*
@@ -703,28 +705,18 @@ nfs3_xdr_setaclargs(struct rpc_rqst *req, __be32 *p,
703 struct nfs3_setaclargs *args) 705 struct nfs3_setaclargs *args)
704{ 706{
705 struct xdr_buf *buf = &req->rq_snd_buf; 707 struct xdr_buf *buf = &req->rq_snd_buf;
706 unsigned int base, len_in_head, len = nfsacl_size( 708 unsigned int base;
707 (args->mask & NFS_ACL) ? args->acl_access : NULL, 709 int err;
708 (args->mask & NFS_DFACL) ? args->acl_default : NULL);
709 int count, err;
710 710
711 p = xdr_encode_fhandle(p, NFS_FH(args->inode)); 711 p = xdr_encode_fhandle(p, NFS_FH(args->inode));
712 *p++ = htonl(args->mask); 712 *p++ = htonl(args->mask);
713 base = (char *)p - (char *)buf->head->iov_base; 713 req->rq_slen = xdr_adjust_iovec(req->rq_svec, p);
714 /* put as much of the acls into head as possible. */ 714 base = req->rq_slen;
715 len_in_head = min_t(unsigned int, buf->head->iov_len - base, len); 715
716 len -= len_in_head; 716 if (args->npages != 0)
717 req->rq_slen = xdr_adjust_iovec(req->rq_svec, p + (len_in_head >> 2)); 717 xdr_encode_pages(buf, args->pages, 0, args->len);
718 718 else
719 for (count = 0; (count << PAGE_SHIFT) < len; count++) { 719 req->rq_slen += args->len;
720 args->pages[count] = alloc_page(GFP_KERNEL);
721 if (!args->pages[count]) {
722 while (count)
723 __free_page(args->pages[--count]);
724 return -ENOMEM;
725 }
726 }
727 xdr_encode_pages(buf, args->pages, 0, len);
728 720
729 err = nfsacl_encode(buf, base, args->inode, 721 err = nfsacl_encode(buf, base, args->inode,
730 (args->mask & NFS_ACL) ? 722 (args->mask & NFS_ACL) ?
diff --git a/fs/nfs/nfs4namespace.c b/fs/nfs/nfs4namespace.c
index 30befc39b3c6..2a2a0a7143ad 100644
--- a/fs/nfs/nfs4namespace.c
+++ b/fs/nfs/nfs4namespace.c
@@ -21,7 +21,9 @@
21#define NFSDBG_FACILITY NFSDBG_VFS 21#define NFSDBG_FACILITY NFSDBG_VFS
22 22
23/* 23/*
24 * Check if fs_root is valid 24 * Convert the NFSv4 pathname components into a standard posix path.
25 *
26 * Note that the resulting string will be placed at the end of the buffer
25 */ 27 */
26static inline char *nfs4_pathname_string(const struct nfs4_pathname *pathname, 28static inline char *nfs4_pathname_string(const struct nfs4_pathname *pathname,
27 char *buffer, ssize_t buflen) 29 char *buffer, ssize_t buflen)
@@ -99,21 +101,20 @@ static struct vfsmount *try_location(struct nfs_clone_mount *mountdata,
99{ 101{
100 struct vfsmount *mnt = ERR_PTR(-ENOENT); 102 struct vfsmount *mnt = ERR_PTR(-ENOENT);
101 char *mnt_path; 103 char *mnt_path;
102 int page2len; 104 unsigned int maxbuflen;
103 unsigned int s; 105 unsigned int s;
104 106
105 mnt_path = nfs4_pathname_string(&location->rootpath, page2, PAGE_SIZE); 107 mnt_path = nfs4_pathname_string(&location->rootpath, page2, PAGE_SIZE);
106 if (IS_ERR(mnt_path)) 108 if (IS_ERR(mnt_path))
107 return mnt; 109 return mnt;
108 mountdata->mnt_path = mnt_path; 110 mountdata->mnt_path = mnt_path;
109 page2 += strlen(mnt_path) + 1; 111 maxbuflen = mnt_path - 1 - page2;
110 page2len = PAGE_SIZE - strlen(mnt_path) - 1;
111 112
112 for (s = 0; s < location->nservers; s++) { 113 for (s = 0; s < location->nservers; s++) {
113 const struct nfs4_string *buf = &location->servers[s]; 114 const struct nfs4_string *buf = &location->servers[s];
114 struct sockaddr_storage addr; 115 struct sockaddr_storage addr;
115 116
116 if (buf->len <= 0 || buf->len >= PAGE_SIZE) 117 if (buf->len <= 0 || buf->len >= maxbuflen)
117 continue; 118 continue;
118 119
119 mountdata->addr = (struct sockaddr *)&addr; 120 mountdata->addr = (struct sockaddr *)&addr;
@@ -126,8 +127,8 @@ static struct vfsmount *try_location(struct nfs_clone_mount *mountdata,
126 continue; 127 continue;
127 nfs_set_port(mountdata->addr, NFS_PORT); 128 nfs_set_port(mountdata->addr, NFS_PORT);
128 129
129 strncpy(page2, buf->data, page2len); 130 memcpy(page2, buf->data, buf->len);
130 page2[page2len] = '\0'; 131 page2[buf->len] = '\0';
131 mountdata->hostname = page2; 132 mountdata->hostname = page2;
132 133
133 snprintf(page, PAGE_SIZE, "%s:%s", 134 snprintf(page, PAGE_SIZE, "%s:%s",
diff --git a/include/linux/lockd/lockd.h b/include/linux/lockd/lockd.h
index aa6fe7026de7..51855dfd8adb 100644
--- a/include/linux/lockd/lockd.h
+++ b/include/linux/lockd/lockd.h
@@ -346,6 +346,7 @@ static inline int __nlm_cmp_addr4(const struct sockaddr *sap1,
346 return sin1->sin_addr.s_addr == sin2->sin_addr.s_addr; 346 return sin1->sin_addr.s_addr == sin2->sin_addr.s_addr;
347} 347}
348 348
349#if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE)
349static inline int __nlm_cmp_addr6(const struct sockaddr *sap1, 350static inline int __nlm_cmp_addr6(const struct sockaddr *sap1,
350 const struct sockaddr *sap2) 351 const struct sockaddr *sap2)
351{ 352{
@@ -353,6 +354,13 @@ static inline int __nlm_cmp_addr6(const struct sockaddr *sap1,
353 const struct sockaddr_in6 *sin2 = (const struct sockaddr_in6 *)sap2; 354 const struct sockaddr_in6 *sin2 = (const struct sockaddr_in6 *)sap2;
354 return ipv6_addr_equal(&sin1->sin6_addr, &sin2->sin6_addr); 355 return ipv6_addr_equal(&sin1->sin6_addr, &sin2->sin6_addr);
355} 356}
357#else /* !(CONFIG_IPV6 || CONFIG_IPV6_MODULE) */
358static inline int __nlm_cmp_addr6(const struct sockaddr *sap1,
359 const struct sockaddr *sap2)
360{
361 return 0;
362}
363#endif /* !(CONFIG_IPV6 || CONFIG_IPV6_MODULE) */
356 364
357/* 365/*
358 * Compare two host addresses 366 * Compare two host addresses
diff --git a/include/linux/nfs_xdr.h b/include/linux/nfs_xdr.h
index a550b528319f..2e5f00066afd 100644
--- a/include/linux/nfs_xdr.h
+++ b/include/linux/nfs_xdr.h
@@ -406,6 +406,8 @@ struct nfs3_setaclargs {
406 int mask; 406 int mask;
407 struct posix_acl * acl_access; 407 struct posix_acl * acl_access;
408 struct posix_acl * acl_default; 408 struct posix_acl * acl_default;
409 size_t len;
410 unsigned int npages;
409 struct page ** pages; 411 struct page ** pages;
410}; 412};
411 413
diff --git a/include/linux/nfsacl.h b/include/linux/nfsacl.h
index 54487a99beb8..43011b69297c 100644
--- a/include/linux/nfsacl.h
+++ b/include/linux/nfsacl.h
@@ -37,6 +37,9 @@
37#define NFSACL_MAXPAGES ((2*(8+12*NFS_ACL_MAX_ENTRIES) + PAGE_SIZE-1) \ 37#define NFSACL_MAXPAGES ((2*(8+12*NFS_ACL_MAX_ENTRIES) + PAGE_SIZE-1) \
38 >> PAGE_SHIFT) 38 >> PAGE_SHIFT)
39 39
40#define NFS_ACL_MAX_ENTRIES_INLINE (5)
41#define NFS_ACL_INLINE_BUFSIZE ((2*(2+3*NFS_ACL_MAX_ENTRIES_INLINE)) << 2)
42
40static inline unsigned int 43static inline unsigned int
41nfsacl_size(struct posix_acl *acl_access, struct posix_acl *acl_default) 44nfsacl_size(struct posix_acl *acl_access, struct posix_acl *acl_default)
42{ 45{
diff --git a/net/sunrpc/sched.c b/net/sunrpc/sched.c
index 385f427bedad..ff50a0546865 100644
--- a/net/sunrpc/sched.c
+++ b/net/sunrpc/sched.c
@@ -293,11 +293,6 @@ static void rpc_make_runnable(struct rpc_task *task)
293 rpc_clear_queued(task); 293 rpc_clear_queued(task);
294 if (rpc_test_and_set_running(task)) 294 if (rpc_test_and_set_running(task))
295 return; 295 return;
296 /* We might have raced */
297 if (RPC_IS_QUEUED(task)) {
298 rpc_clear_running(task);
299 return;
300 }
301 if (RPC_IS_ASYNC(task)) { 296 if (RPC_IS_ASYNC(task)) {
302 int status; 297 int status;
303 298
@@ -607,7 +602,9 @@ void rpc_release_calldata(const struct rpc_call_ops *ops, void *calldata)
607 */ 602 */
608static void __rpc_execute(struct rpc_task *task) 603static void __rpc_execute(struct rpc_task *task)
609{ 604{
610 int status = 0; 605 struct rpc_wait_queue *queue;
606 int task_is_async = RPC_IS_ASYNC(task);
607 int status = 0;
611 608
612 dprintk("RPC: %5u __rpc_execute flags=0x%x\n", 609 dprintk("RPC: %5u __rpc_execute flags=0x%x\n",
613 task->tk_pid, task->tk_flags); 610 task->tk_pid, task->tk_flags);
@@ -647,15 +644,25 @@ static void __rpc_execute(struct rpc_task *task)
647 */ 644 */
648 if (!RPC_IS_QUEUED(task)) 645 if (!RPC_IS_QUEUED(task))
649 continue; 646 continue;
650 rpc_clear_running(task); 647 /*
651 if (RPC_IS_ASYNC(task)) { 648 * The queue->lock protects against races with
652 /* Careful! we may have raced... */ 649 * rpc_make_runnable().
653 if (RPC_IS_QUEUED(task)) 650 *
654 return; 651 * Note that once we clear RPC_TASK_RUNNING on an asynchronous
655 if (rpc_test_and_set_running(task)) 652 * rpc_task, rpc_make_runnable() can assign it to a
656 return; 653 * different workqueue. We therefore cannot assume that the
654 * rpc_task pointer may still be dereferenced.
655 */
656 queue = task->tk_waitqueue;
657 spin_lock_bh(&queue->lock);
658 if (!RPC_IS_QUEUED(task)) {
659 spin_unlock_bh(&queue->lock);
657 continue; 660 continue;
658 } 661 }
662 rpc_clear_running(task);
663 spin_unlock_bh(&queue->lock);
664 if (task_is_async)
665 return;
659 666
660 /* sync task: sleep here */ 667 /* sync task: sleep here */
661 dprintk("RPC: %5u sync task going to sleep\n", task->tk_pid); 668 dprintk("RPC: %5u sync task going to sleep\n", task->tk_pid);
diff --git a/net/sunrpc/xprt.c b/net/sunrpc/xprt.c
index 29e401bb612e..62098d101a1f 100644
--- a/net/sunrpc/xprt.c
+++ b/net/sunrpc/xprt.c
@@ -663,7 +663,7 @@ void xprt_connect(struct rpc_task *task)
663 xprt, (xprt_connected(xprt) ? "is" : "is not")); 663 xprt, (xprt_connected(xprt) ? "is" : "is not"));
664 664
665 if (!xprt_bound(xprt)) { 665 if (!xprt_bound(xprt)) {
666 task->tk_status = -EIO; 666 task->tk_status = -EAGAIN;
667 return; 667 return;
668 } 668 }
669 if (!xprt_lock_write(xprt, task)) 669 if (!xprt_lock_write(xprt, task))
diff --git a/net/sunrpc/xprtsock.c b/net/sunrpc/xprtsock.c
index 5cbb404c4cdf..29c71e645b27 100644
--- a/net/sunrpc/xprtsock.c
+++ b/net/sunrpc/xprtsock.c
@@ -467,7 +467,7 @@ static int xs_sendpages(struct socket *sock, struct sockaddr *addr, int addrlen,
467 int err, sent = 0; 467 int err, sent = 0;
468 468
469 if (unlikely(!sock)) 469 if (unlikely(!sock))
470 return -ENOTCONN; 470 return -ENOTSOCK;
471 471
472 clear_bit(SOCK_ASYNC_NOSPACE, &sock->flags); 472 clear_bit(SOCK_ASYNC_NOSPACE, &sock->flags);
473 if (base != 0) { 473 if (base != 0) {
@@ -577,6 +577,8 @@ static int xs_udp_send_request(struct rpc_task *task)
577 req->rq_svec->iov_base, 577 req->rq_svec->iov_base,
578 req->rq_svec->iov_len); 578 req->rq_svec->iov_len);
579 579
580 if (!xprt_bound(xprt))
581 return -ENOTCONN;
580 status = xs_sendpages(transport->sock, 582 status = xs_sendpages(transport->sock,
581 xs_addr(xprt), 583 xs_addr(xprt),
582 xprt->addrlen, xdr, 584 xprt->addrlen, xdr,
@@ -594,6 +596,10 @@ static int xs_udp_send_request(struct rpc_task *task)
594 } 596 }
595 597
596 switch (status) { 598 switch (status) {
599 case -ENOTSOCK:
600 status = -ENOTCONN;
601 /* Should we call xs_close() here? */
602 break;
597 case -EAGAIN: 603 case -EAGAIN:
598 xs_nospace(task); 604 xs_nospace(task);
599 break; 605 break;
@@ -693,6 +699,10 @@ static int xs_tcp_send_request(struct rpc_task *task)
693 } 699 }
694 700
695 switch (status) { 701 switch (status) {
702 case -ENOTSOCK:
703 status = -ENOTCONN;
704 /* Should we call xs_close() here? */
705 break;
696 case -EAGAIN: 706 case -EAGAIN:
697 xs_nospace(task); 707 xs_nospace(task);
698 break; 708 break;
@@ -1523,7 +1533,7 @@ static void xs_udp_connect_worker4(struct work_struct *work)
1523 struct socket *sock = transport->sock; 1533 struct socket *sock = transport->sock;
1524 int err, status = -EIO; 1534 int err, status = -EIO;
1525 1535
1526 if (xprt->shutdown || !xprt_bound(xprt)) 1536 if (xprt->shutdown)
1527 goto out; 1537 goto out;
1528 1538
1529 /* Start by resetting any existing state */ 1539 /* Start by resetting any existing state */
@@ -1564,7 +1574,7 @@ static void xs_udp_connect_worker6(struct work_struct *work)
1564 struct socket *sock = transport->sock; 1574 struct socket *sock = transport->sock;
1565 int err, status = -EIO; 1575 int err, status = -EIO;
1566 1576
1567 if (xprt->shutdown || !xprt_bound(xprt)) 1577 if (xprt->shutdown)
1568 goto out; 1578 goto out;
1569 1579
1570 /* Start by resetting any existing state */ 1580 /* Start by resetting any existing state */
@@ -1648,6 +1658,9 @@ static int xs_tcp_finish_connecting(struct rpc_xprt *xprt, struct socket *sock)
1648 write_unlock_bh(&sk->sk_callback_lock); 1658 write_unlock_bh(&sk->sk_callback_lock);
1649 } 1659 }
1650 1660
1661 if (!xprt_bound(xprt))
1662 return -ENOTCONN;
1663
1651 /* Tell the socket layer to start connecting... */ 1664 /* Tell the socket layer to start connecting... */
1652 xprt->stat.connect_count++; 1665 xprt->stat.connect_count++;
1653 xprt->stat.connect_start = jiffies; 1666 xprt->stat.connect_start = jiffies;
@@ -1668,7 +1681,7 @@ static void xs_tcp_connect_worker4(struct work_struct *work)
1668 struct socket *sock = transport->sock; 1681 struct socket *sock = transport->sock;
1669 int err, status = -EIO; 1682 int err, status = -EIO;
1670 1683
1671 if (xprt->shutdown || !xprt_bound(xprt)) 1684 if (xprt->shutdown)
1672 goto out; 1685 goto out;
1673 1686
1674 if (!sock) { 1687 if (!sock) {
@@ -1728,7 +1741,7 @@ static void xs_tcp_connect_worker6(struct work_struct *work)
1728 struct socket *sock = transport->sock; 1741 struct socket *sock = transport->sock;
1729 int err, status = -EIO; 1742 int err, status = -EIO;
1730 1743
1731 if (xprt->shutdown || !xprt_bound(xprt)) 1744 if (xprt->shutdown)
1732 goto out; 1745 goto out;
1733 1746
1734 if (!sock) { 1747 if (!sock) {