nfs3proc.c (f83d9396d1f63048c423efa00e4e244da10a35fd) nfs3proc.c (7fe2a71dda349a1afa75781f0cc7975be9784d15)
1// SPDX-License-Identifier: GPL-2.0
2/*
3 * Process version 3 NFS requests.
4 *
5 * Copyright (C) 1996, 1997, 1998 Olaf Kirch <okir@monad.swb.de>
6 */
7
8#include <linux/fs.h>

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62/*
63 * Set a file's attributes
64 */
65static __be32
66nfsd3_proc_setattr(struct svc_rqst *rqstp)
67{
68 struct nfsd3_sattrargs *argp = rqstp->rq_argp;
69 struct nfsd3_attrstat *resp = rqstp->rq_resp;
1// SPDX-License-Identifier: GPL-2.0
2/*
3 * Process version 3 NFS requests.
4 *
5 * Copyright (C) 1996, 1997, 1998 Olaf Kirch <okir@monad.swb.de>
6 */
7
8#include <linux/fs.h>

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62/*
63 * Set a file's attributes
64 */
65static __be32
66nfsd3_proc_setattr(struct svc_rqst *rqstp)
67{
68 struct nfsd3_sattrargs *argp = rqstp->rq_argp;
69 struct nfsd3_attrstat *resp = rqstp->rq_resp;
70 struct nfsd_attrs attrs = {
71 .na_iattr = &argp->attrs,
72 };
70
71 dprintk("nfsd: SETATTR(3) %s\n",
72 SVCFH_fmt(&argp->fh));
73
74 fh_copy(&resp->fh, &argp->fh);
73
74 dprintk("nfsd: SETATTR(3) %s\n",
75 SVCFH_fmt(&argp->fh));
76
77 fh_copy(&resp->fh, &argp->fh);
75 resp->status = nfsd_setattr(rqstp, &resp->fh, &argp->attrs,
78 resp->status = nfsd_setattr(rqstp, &resp->fh, &attrs,
76 argp->check_guard, argp->guardtime);
77 return rpc_success;
78}
79
80/*
81 * Look up a path name component
82 */
83static __be32

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228 * Upon return, caller must release @fhp and @resfhp.
229 */
230static __be32
231nfsd3_create_file(struct svc_rqst *rqstp, struct svc_fh *fhp,
232 struct svc_fh *resfhp, struct nfsd3_createargs *argp)
233{
234 struct iattr *iap = &argp->attrs;
235 struct dentry *parent, *child;
79 argp->check_guard, argp->guardtime);
80 return rpc_success;
81}
82
83/*
84 * Look up a path name component
85 */
86static __be32

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231 * Upon return, caller must release @fhp and @resfhp.
232 */
233static __be32
234nfsd3_create_file(struct svc_rqst *rqstp, struct svc_fh *fhp,
235 struct svc_fh *resfhp, struct nfsd3_createargs *argp)
236{
237 struct iattr *iap = &argp->attrs;
238 struct dentry *parent, *child;
239 struct nfsd_attrs attrs = {
240 .na_iattr = iap,
241 };
236 __u32 v_mtime, v_atime;
237 struct inode *inode;
238 __be32 status;
239 int host_err;
240
241 if (isdotent(argp->name, argp->len))
242 return nfserr_exist;
243 if (!(iap->ia_valid & ATTR_MODE))

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326 ATTR_MTIME_SET | ATTR_ATIME_SET;
327 iap->ia_mtime.tv_sec = v_mtime;
328 iap->ia_atime.tv_sec = v_atime;
329 iap->ia_mtime.tv_nsec = 0;
330 iap->ia_atime.tv_nsec = 0;
331 }
332
333set_attr:
242 __u32 v_mtime, v_atime;
243 struct inode *inode;
244 __be32 status;
245 int host_err;
246
247 if (isdotent(argp->name, argp->len))
248 return nfserr_exist;
249 if (!(iap->ia_valid & ATTR_MODE))

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332 ATTR_MTIME_SET | ATTR_ATIME_SET;
333 iap->ia_mtime.tv_sec = v_mtime;
334 iap->ia_atime.tv_sec = v_atime;
335 iap->ia_mtime.tv_nsec = 0;
336 iap->ia_atime.tv_nsec = 0;
337 }
338
339set_attr:
334 status = nfsd_create_setattr(rqstp, fhp, resfhp, iap);
340 status = nfsd_create_setattr(rqstp, fhp, resfhp, &attrs);
335
336out:
337 fh_unlock(fhp);
338 if (child && !IS_ERR(child))
339 dput(child);
340 fh_drop_write(fhp);
341 return status;
342}

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363/*
364 * Make directory. This operation is not idempotent.
365 */
366static __be32
367nfsd3_proc_mkdir(struct svc_rqst *rqstp)
368{
369 struct nfsd3_createargs *argp = rqstp->rq_argp;
370 struct nfsd3_diropres *resp = rqstp->rq_resp;
341
342out:
343 fh_unlock(fhp);
344 if (child && !IS_ERR(child))
345 dput(child);
346 fh_drop_write(fhp);
347 return status;
348}

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369/*
370 * Make directory. This operation is not idempotent.
371 */
372static __be32
373nfsd3_proc_mkdir(struct svc_rqst *rqstp)
374{
375 struct nfsd3_createargs *argp = rqstp->rq_argp;
376 struct nfsd3_diropres *resp = rqstp->rq_resp;
377 struct nfsd_attrs attrs = {
378 .na_iattr = &argp->attrs,
379 };
371
372 dprintk("nfsd: MKDIR(3) %s %.*s\n",
373 SVCFH_fmt(&argp->fh),
374 argp->len,
375 argp->name);
376
377 argp->attrs.ia_valid &= ~ATTR_SIZE;
378 fh_copy(&resp->dirfh, &argp->fh);
379 fh_init(&resp->fh, NFS3_FHSIZE);
380 resp->status = nfsd_create(rqstp, &resp->dirfh, argp->name, argp->len,
380
381 dprintk("nfsd: MKDIR(3) %s %.*s\n",
382 SVCFH_fmt(&argp->fh),
383 argp->len,
384 argp->name);
385
386 argp->attrs.ia_valid &= ~ATTR_SIZE;
387 fh_copy(&resp->dirfh, &argp->fh);
388 fh_init(&resp->fh, NFS3_FHSIZE);
389 resp->status = nfsd_create(rqstp, &resp->dirfh, argp->name, argp->len,
381 &argp->attrs, S_IFDIR, 0, &resp->fh);
390 &attrs, S_IFDIR, 0, &resp->fh);
382 fh_unlock(&resp->dirfh);
383 return rpc_success;
384}
385
386static __be32
387nfsd3_proc_symlink(struct svc_rqst *rqstp)
388{
389 struct nfsd3_symlinkargs *argp = rqstp->rq_argp;

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423/*
424 * Make socket/fifo/device.
425 */
426static __be32
427nfsd3_proc_mknod(struct svc_rqst *rqstp)
428{
429 struct nfsd3_mknodargs *argp = rqstp->rq_argp;
430 struct nfsd3_diropres *resp = rqstp->rq_resp;
391 fh_unlock(&resp->dirfh);
392 return rpc_success;
393}
394
395static __be32
396nfsd3_proc_symlink(struct svc_rqst *rqstp)
397{
398 struct nfsd3_symlinkargs *argp = rqstp->rq_argp;

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432/*
433 * Make socket/fifo/device.
434 */
435static __be32
436nfsd3_proc_mknod(struct svc_rqst *rqstp)
437{
438 struct nfsd3_mknodargs *argp = rqstp->rq_argp;
439 struct nfsd3_diropres *resp = rqstp->rq_resp;
440 struct nfsd_attrs attrs = {
441 .na_iattr = &argp->attrs,
442 };
431 int type;
432 dev_t rdev = 0;
433
434 dprintk("nfsd: MKNOD(3) %s %.*s\n",
435 SVCFH_fmt(&argp->fh),
436 argp->len,
437 argp->name);
438

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448 }
449 } else if (argp->ftype != NF3SOCK && argp->ftype != NF3FIFO) {
450 resp->status = nfserr_badtype;
451 goto out;
452 }
453
454 type = nfs3_ftypes[argp->ftype];
455 resp->status = nfsd_create(rqstp, &resp->dirfh, argp->name, argp->len,
443 int type;
444 dev_t rdev = 0;
445
446 dprintk("nfsd: MKNOD(3) %s %.*s\n",
447 SVCFH_fmt(&argp->fh),
448 argp->len,
449 argp->name);
450

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460 }
461 } else if (argp->ftype != NF3SOCK && argp->ftype != NF3FIFO) {
462 resp->status = nfserr_badtype;
463 goto out;
464 }
465
466 type = nfs3_ftypes[argp->ftype];
467 resp->status = nfsd_create(rqstp, &resp->dirfh, argp->name, argp->len,
456 &argp->attrs, type, rdev, &resp->fh);
468 &attrs, type, rdev, &resp->fh);
457 fh_unlock(&resp->dirfh);
458out:
459 return rpc_success;
460}
461
462/*
463 * Remove file/fifo/socket etc.
464 */

--- 575 unchanged lines hidden --- 		469 fh_unlock(&resp->dirfh);
470out:
471 return rpc_success;
472}
473
474/*
475 * Remove file/fifo/socket etc.
476 */

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