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-rw-r--r--fs/nfs/proc.c118
1 files changed, 66 insertions, 52 deletions
diff --git a/fs/nfs/proc.c b/fs/nfs/proc.c
index 0288be80444f..aa61f2c66068 100644
--- a/fs/nfs/proc.c
+++ b/fs/nfs/proc.c
@@ -224,35 +224,60 @@ static int nfs_proc_readlink(struct inode *inode, struct page *page,
224 return status; 224 return status;
225} 225}
226 226
227struct nfs_createdata {
228 struct nfs_createargs arg;
229 struct nfs_diropok res;
230 struct nfs_fh fhandle;
231 struct nfs_fattr fattr;
232};
233
234static struct nfs_createdata *nfs_alloc_createdata(struct inode *dir,
235 struct dentry *dentry, struct iattr *sattr)
236{
237 struct nfs_createdata *data;
238
239 data = kmalloc(sizeof(*data), GFP_KERNEL);
240
241 if (data != NULL) {
242 data->arg.fh = NFS_FH(dir);
243 data->arg.name = dentry->d_name.name;
244 data->arg.len = dentry->d_name.len;
245 data->arg.sattr = sattr;
246 nfs_fattr_init(&data->fattr);
247 data->fhandle.size = 0;
248 data->res.fh = &data->fhandle;
249 data->res.fattr = &data->fattr;
250 }
251 return data;
252};
253
254static void nfs_free_createdata(const struct nfs_createdata *data)
255{
256 kfree(data);
257}
258
227static int 259static int
228nfs_proc_create(struct inode *dir, struct dentry *dentry, struct iattr *sattr, 260nfs_proc_create(struct inode *dir, struct dentry *dentry, struct iattr *sattr,
229 int flags, struct nameidata *nd) 261 int flags, struct nameidata *nd)
230{ 262{
231 struct nfs_fh fhandle; 263 struct nfs_createdata *data;
232 struct nfs_fattr fattr;
233 struct nfs_createargs arg = {
234 .fh = NFS_FH(dir),
235 .name = dentry->d_name.name,
236 .len = dentry->d_name.len,
237 .sattr = sattr
238 };
239 struct nfs_diropok res = {
240 .fh = &fhandle,
241 .fattr = &fattr
242 };
243 struct rpc_message msg = { 264 struct rpc_message msg = {
244 .rpc_proc = &nfs_procedures[NFSPROC_CREATE], 265 .rpc_proc = &nfs_procedures[NFSPROC_CREATE],
245 .rpc_argp = &arg,
246 .rpc_resp = &res,
247 }; 266 };
248 int status; 267 int status = -ENOMEM;
249 268
250 nfs_fattr_init(&fattr);
251 dprintk("NFS call create %s\n", dentry->d_name.name); 269 dprintk("NFS call create %s\n", dentry->d_name.name);
270 data = nfs_alloc_createdata(dir, dentry, sattr);
271 if (data == NULL)
272 goto out;
273 msg.rpc_argp = &data->arg;
274 msg.rpc_resp = &data->res;
252 status = rpc_call_sync(NFS_CLIENT(dir), &msg, 0); 275 status = rpc_call_sync(NFS_CLIENT(dir), &msg, 0);
253 nfs_mark_for_revalidate(dir); 276 nfs_mark_for_revalidate(dir);
254 if (status == 0) 277 if (status == 0)
255 status = nfs_instantiate(dentry, &fhandle, &fattr); 278 status = nfs_instantiate(dentry, data->res.fh, data->res.fattr);
279 nfs_free_createdata(data);
280out:
256 dprintk("NFS reply create: %d\n", status); 281 dprintk("NFS reply create: %d\n", status);
257 return status; 282 return status;
258} 283}
@@ -264,24 +289,12 @@ static int
264nfs_proc_mknod(struct inode *dir, struct dentry *dentry, struct iattr *sattr, 289nfs_proc_mknod(struct inode *dir, struct dentry *dentry, struct iattr *sattr,
265 dev_t rdev) 290 dev_t rdev)
266{ 291{
267 struct nfs_fh fhandle; 292 struct nfs_createdata *data;
268 struct nfs_fattr fattr;
269 struct nfs_createargs arg = {
270 .fh = NFS_FH(dir),
271 .name = dentry->d_name.name,
272 .len = dentry->d_name.len,
273 .sattr = sattr
274 };
275 struct nfs_diropok res = {
276 .fh = &fhandle,
277 .fattr = &fattr
278 };
279 struct rpc_message msg = { 293 struct rpc_message msg = {
280 .rpc_proc = &nfs_procedures[NFSPROC_CREATE], 294 .rpc_proc = &nfs_procedures[NFSPROC_CREATE],
281 .rpc_argp = &arg,
282 .rpc_resp = &res,
283 }; 295 };
284 int status, mode; 296 umode_t mode;
297 int status = -ENOMEM;
285 298
286 dprintk("NFS call mknod %s\n", dentry->d_name.name); 299 dprintk("NFS call mknod %s\n", dentry->d_name.name);
287 300
@@ -294,17 +307,24 @@ nfs_proc_mknod(struct inode *dir, struct dentry *dentry, struct iattr *sattr,
294 sattr->ia_size = new_encode_dev(rdev);/* get out your barf bag */ 307 sattr->ia_size = new_encode_dev(rdev);/* get out your barf bag */
295 } 308 }
296 309
297 nfs_fattr_init(&fattr); 310 data = nfs_alloc_createdata(dir, dentry, sattr);
311 if (data == NULL)
312 goto out;
313 msg.rpc_argp = &data->arg;
314 msg.rpc_resp = &data->res;
315
298 status = rpc_call_sync(NFS_CLIENT(dir), &msg, 0); 316 status = rpc_call_sync(NFS_CLIENT(dir), &msg, 0);
299 nfs_mark_for_revalidate(dir); 317 nfs_mark_for_revalidate(dir);
300 318
301 if (status == -EINVAL && S_ISFIFO(mode)) { 319 if (status == -EINVAL && S_ISFIFO(mode)) {
302 sattr->ia_mode = mode; 320 sattr->ia_mode = mode;
303 nfs_fattr_init(&fattr); 321 nfs_fattr_init(data->res.fattr);
304 status = rpc_call_sync(NFS_CLIENT(dir), &msg, 0); 322 status = rpc_call_sync(NFS_CLIENT(dir), &msg, 0);
305 } 323 }
306 if (status == 0) 324 if (status == 0)
307 status = nfs_instantiate(dentry, &fhandle, &fattr); 325 status = nfs_instantiate(dentry, data->res.fh, data->res.fattr);
326 nfs_free_createdata(data);
327out:
308 dprintk("NFS reply mknod: %d\n", status); 328 dprintk("NFS reply mknod: %d\n", status);
309 return status; 329 return status;
310} 330}
@@ -440,31 +460,25 @@ nfs_proc_symlink(struct inode *dir, struct dentry *dentry, struct page *page,
440static int 460static int
441nfs_proc_mkdir(struct inode *dir, struct dentry *dentry, struct iattr *sattr) 461nfs_proc_mkdir(struct inode *dir, struct dentry *dentry, struct iattr *sattr)
442{ 462{
443 struct nfs_fh fhandle; 463 struct nfs_createdata *data;
444 struct nfs_fattr fattr;
445 struct nfs_createargs arg = {
446 .fh = NFS_FH(dir),
447 .name = dentry->d_name.name,
448 .len = dentry->d_name.len,
449 .sattr = sattr
450 };
451 struct nfs_diropok res = {
452 .fh = &fhandle,
453 .fattr = &fattr
454 };
455 struct rpc_message msg = { 464 struct rpc_message msg = {
456 .rpc_proc = &nfs_procedures[NFSPROC_MKDIR], 465 .rpc_proc = &nfs_procedures[NFSPROC_MKDIR],
457 .rpc_argp = &arg,
458 .rpc_resp = &res,
459 }; 466 };
460 int status; 467 int status = -ENOMEM;
461 468
462 dprintk("NFS call mkdir %s\n", dentry->d_name.name); 469 dprintk("NFS call mkdir %s\n", dentry->d_name.name);
463 nfs_fattr_init(&fattr); 470 data = nfs_alloc_createdata(dir, dentry, sattr);
471 if (data == NULL)
472 goto out;
473 msg.rpc_argp = &data->arg;
474 msg.rpc_resp = &data->res;
475
464 status = rpc_call_sync(NFS_CLIENT(dir), &msg, 0); 476 status = rpc_call_sync(NFS_CLIENT(dir), &msg, 0);
465 nfs_mark_for_revalidate(dir); 477 nfs_mark_for_revalidate(dir);
466 if (status == 0) 478 if (status == 0)
467 status = nfs_instantiate(dentry, &fhandle, &fattr); 479 status = nfs_instantiate(dentry, data->res.fh, data->res.fattr);
480 nfs_free_createdata(data);
481out:
468 dprintk("NFS reply mkdir: %d\n", status); 482 dprintk("NFS reply mkdir: %d\n", status);
469 return status; 483 return status;
470} 484}