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* [jlayton:ceph-fscrypt-size 33/40] fs/ceph/mds_client.c:2731:17: error: implicit declaration of function 'ceph_fscrypt_auth_len'
@ 2021-08-24 17:51 kernel test robot
  0 siblings, 0 replies; only message in thread
From: kernel test robot @ 2021-08-24 17:51 UTC (permalink / raw)
  To: Jeff Layton; +Cc: kbuild-all, linux-kernel

[-- Attachment #1: Type: text/plain, Size: 26708 bytes --]

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/jlayton/linux.git ceph-fscrypt-size
head:   a17ec2cafbd2fc0e04e8787810bec64849190db2
commit: e1f497d75bf9fea8856174467d488557f8060e28 [33/40] ceph: align data in pages in ceph_sync_write
config: i386-randconfig-a006-20210824 (attached as .config)
compiler: gcc-9 (Debian 9.3.0-22) 9.3.0
reproduce (this is a W=1 build):
        # https://git.kernel.org/pub/scm/linux/kernel/git/jlayton/linux.git/commit/?id=e1f497d75bf9fea8856174467d488557f8060e28
        git remote add jlayton https://git.kernel.org/pub/scm/linux/kernel/git/jlayton/linux.git
        git fetch --no-tags jlayton ceph-fscrypt-size
        git checkout e1f497d75bf9fea8856174467d488557f8060e28
        # save the attached .config to linux build tree
        make W=1 ARCH=i386 

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@intel.com>

All errors (new ones prefixed by >>):

   In file included from fs/ceph/super.h:29,
                    from fs/ceph/super.c:20:
   fs/ceph/crypto.h:6: error: unterminated #ifndef
       6 | #ifndef _CEPH_CRYPTO_H
         | 
   In file included from fs/ceph/super.c:23:
   fs/ceph/crypto.h:6: error: unterminated #ifndef
       6 | #ifndef _CEPH_CRYPTO_H
         | 
   fs/ceph/super.c: In function 'ceph_put_super':
>> fs/ceph/super.c:48:2: error: implicit declaration of function 'ceph_fscrypt_free_dummy_policy'; did you mean 'fscrypt_free_dummy_policy'? [-Werror=implicit-function-declaration]
      48 |  ceph_fscrypt_free_dummy_policy(fsc);
         |  ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
         |  fscrypt_free_dummy_policy
   fs/ceph/super.c: In function 'ceph_set_super':
>> fs/ceph/super.c:1180:2: error: implicit declaration of function 'ceph_fscrypt_set_ops'; did you mean 'fscrypt_set_ops'? [-Werror=implicit-function-declaration]
    1180 |  ceph_fscrypt_set_ops(s);
         |  ^~~~~~~~~~~~~~~~~~~~
         |  fscrypt_set_ops
   cc1: some warnings being treated as errors
--
   In file included from fs/ceph/super.h:29,
                    from fs/ceph/inode.c:19:
   fs/ceph/crypto.h:6: error: unterminated #ifndef
       6 | #ifndef _CEPH_CRYPTO_H
         | 
   In file included from fs/ceph/inode.c:22:
   fs/ceph/crypto.h:6: error: unterminated #ifndef
       6 | #ifndef _CEPH_CRYPTO_H
         | 
   fs/ceph/inode.c: In function 'ceph_new_inode':
>> fs/ceph/inode.c:94:8: error: implicit declaration of function 'ceph_fscrypt_prepare_context' [-Werror=implicit-function-declaration]
      94 |  err = ceph_fscrypt_prepare_context(dir, inode, as_ctx);
         |        ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
   fs/ceph/inode.c: In function 'ceph_as_ctx_to_req':
>> fs/ceph/inode.c:110:2: error: implicit declaration of function 'ceph_fscrypt_as_ctx_to_req'; did you mean 'ceph_as_ctx_to_req'? [-Werror=implicit-function-declaration]
     110 |  ceph_fscrypt_as_ctx_to_req(req, as_ctx);
         |  ^~~~~~~~~~~~~~~~~~~~~~~~~~
         |  ceph_as_ctx_to_req
   fs/ceph/inode.c: In function 'ceph_fill_trace':
>> fs/ceph/inode.c:1466:10: error: implicit declaration of function 'ceph_fname_alloc_buffer'; did you mean 'fscrypt_fname_alloc_buffer'? [-Werror=implicit-function-declaration]
    1466 |    err = ceph_fname_alloc_buffer(dir, &oname);
         |          ^~~~~~~~~~~~~~~~~~~~~~~
         |          fscrypt_fname_alloc_buffer
>> fs/ceph/inode.c:1472:10: error: implicit declaration of function 'ceph_fname_to_usr' [-Werror=implicit-function-declaration]
    1472 |    err = ceph_fname_to_usr(&fname, NULL, &oname, &is_nokey);
         |          ^~~~~~~~~~~~~~~~~
>> fs/ceph/inode.c:1475:5: error: implicit declaration of function 'ceph_fname_free_buffer'; did you mean 'fscrypt_fname_free_buffer'? [-Werror=implicit-function-declaration]
    1475 |     ceph_fname_free_buffer(dir, &oname);
         |     ^~~~~~~~~~~~~~~~~~~~~~
         |     fscrypt_fname_free_buffer
   cc1: some warnings being treated as errors
--
   In file included from fs/ceph/super.h:29,
                    from fs/ceph/dir.c:10:
   fs/ceph/crypto.h:6: error: unterminated #ifndef
       6 | #ifndef _CEPH_CRYPTO_H
         | 
   In file included from fs/ceph/dir.c:12:
   fs/ceph/crypto.h:6: error: unterminated #ifndef
       6 | #ifndef _CEPH_CRYPTO_H
         | 
   fs/ceph/dir.c: In function 'ceph_readdir':
>> fs/ceph/dir.c:372:8: error: implicit declaration of function 'ceph_fname_alloc_buffer'; did you mean 'fscrypt_fname_alloc_buffer'? [-Werror=implicit-function-declaration]
     372 |  err = ceph_fname_alloc_buffer(inode, &tname);
         |        ^~~~~~~~~~~~~~~~~~~~~~~
         |        fscrypt_fname_alloc_buffer
>> fs/ceph/dir.c:545:9: error: implicit declaration of function 'ceph_fname_to_usr' [-Werror=implicit-function-declaration]
     545 |   err = ceph_fname_to_usr(&fname, &tname, &oname, NULL);
         |         ^~~~~~~~~~~~~~~~~
>> fs/ceph/dir.c:618:2: error: implicit declaration of function 'ceph_fname_free_buffer'; did you mean 'fscrypt_fname_free_buffer'? [-Werror=implicit-function-declaration]
     618 |  ceph_fname_free_buffer(inode, &tname);
         |  ^~~~~~~~~~~~~~~~~~~~~~
         |  fscrypt_fname_free_buffer
   cc1: some warnings being treated as errors
--
   In file included from fs/ceph/super.h:29,
                    from fs/ceph/export.c:8:
   fs/ceph/crypto.h:6: error: unterminated #ifndef
       6 | #ifndef _CEPH_CRYPTO_H
         | 
   In file included from fs/ceph/export.c:10:
   fs/ceph/crypto.h:6: error: unterminated #ifndef
       6 | #ifndef _CEPH_CRYPTO_H
         | 
   fs/ceph/export.c: In function 'ceph_get_name':
>> fs/ceph/export.c:568:9: error: implicit declaration of function 'ceph_fname_alloc_buffer'; did you mean 'fscrypt_fname_alloc_buffer'? [-Werror=implicit-function-declaration]
     568 |   err = ceph_fname_alloc_buffer(dir, &oname);
         |         ^~~~~~~~~~~~~~~~~~~~~~~
         |         fscrypt_fname_alloc_buffer
>> fs/ceph/export.c:572:9: error: implicit declaration of function 'ceph_fname_to_usr' [-Werror=implicit-function-declaration]
     572 |   err = ceph_fname_to_usr(&fname, NULL, &oname, NULL);
         |         ^~~~~~~~~~~~~~~~~
>> fs/ceph/export.c:577:3: error: implicit declaration of function 'ceph_fname_free_buffer'; did you mean 'fscrypt_fname_free_buffer'? [-Werror=implicit-function-declaration]
     577 |   ceph_fname_free_buffer(dir, &oname);
         |   ^~~~~~~~~~~~~~~~~~~~~~
         |   fscrypt_fname_free_buffer
   cc1: some warnings being treated as errors
--
   In file included from fs/ceph/super.h:29,
                    from fs/ceph/caps.c:13:
   fs/ceph/crypto.h:6: error: unterminated #ifndef
       6 | #ifndef _CEPH_CRYPTO_H
         | 
   In file included from fs/ceph/caps.c:16:
   fs/ceph/crypto.h:6: error: unterminated #ifndef
       6 | #ifndef _CEPH_CRYPTO_H
         | 
   fs/ceph/caps.c: In function 'ceph_encode_dentry_release':
>> fs/ceph/caps.c:4566:15: error: implicit declaration of function 'ceph_encode_encrypted_fname'; did you mean 'ceph_encode_dentry_release'? [-Werror=implicit-function-declaration]
    4566 |    int ret2 = ceph_encode_encrypted_fname(dir, dentry, *p);
         |               ^~~~~~~~~~~~~~~~~~~~~~~~~~~
         |               ceph_encode_dentry_release
   cc1: some warnings being treated as errors
--
   In file included from fs/ceph/super.h:29,
                    from fs/ceph/mds_client.c:16:
   fs/ceph/crypto.h:6: error: unterminated #ifndef
       6 | #ifndef _CEPH_CRYPTO_H
         | 
   In file included from fs/ceph/mds_client.c:17:
   fs/ceph/crypto.h:6: error: unterminated #ifndef
       6 | #ifndef _CEPH_CRYPTO_H
         | 
   fs/ceph/mds_client.c: In function 'ceph_mdsc_build_path':
>> fs/ceph/mds_client.c:2584:11: error: implicit declaration of function 'ceph_encode_encrypted_fname'; did you mean 'ceph_encode_dentry_release'? [-Werror=implicit-function-declaration]
    2584 |     len = ceph_encode_encrypted_fname(d_inode(parent), cur, buf);
         |           ^~~~~~~~~~~~~~~~~~~~~~~~~~~
         |           ceph_encode_dentry_release
   fs/ceph/mds_client.c: In function 'encode_mclientrequest_tail':
>> fs/ceph/mds_client.c:2731:17: error: implicit declaration of function 'ceph_fscrypt_auth_len' [-Werror=implicit-function-declaration]
    2731 |   u32 authlen = ceph_fscrypt_auth_len(req->r_fscrypt_auth);
         |                 ^~~~~~~~~~~~~~~~~~~~~
   cc1: some warnings being treated as errors


vim +/ceph_fscrypt_auth_len +2731 fs/ceph/mds_client.c

977c54fbce4178 Jeff Layton    2021-01-14  2498  
630f27427d391d Jeff Layton    2020-08-07  2499  /**
630f27427d391d Jeff Layton    2020-08-07  2500   * ceph_mdsc_build_path - build a path string to a given dentry
630f27427d391d Jeff Layton    2020-08-07  2501   * @dentry: dentry to which path should be built
630f27427d391d Jeff Layton    2020-08-07  2502   * @plen: returned length of string
630f27427d391d Jeff Layton    2020-08-07  2503   * @pbase: returned base inode number
630f27427d391d Jeff Layton    2020-08-07  2504   * @for_wire: is this path going to be sent to the MDS?
630f27427d391d Jeff Layton    2020-08-07  2505   *
630f27427d391d Jeff Layton    2020-08-07  2506   * Build a string that represents the path to the dentry. This is mostly called
630f27427d391d Jeff Layton    2020-08-07  2507   * for two different purposes:
2f2dc053404feb Sage Weil      2009-10-06  2508   *
630f27427d391d Jeff Layton    2020-08-07  2509   * 1) we need to build a path string to send to the MDS (for_wire == true)
630f27427d391d Jeff Layton    2020-08-07  2510   * 2) we need a path string for local presentation (e.g. debugfs) (for_wire == false)
630f27427d391d Jeff Layton    2020-08-07  2511   *
630f27427d391d Jeff Layton    2020-08-07  2512   * The path is built in reverse, starting with the dentry. Walk back up toward
630f27427d391d Jeff Layton    2020-08-07  2513   * the root, building the path until the first non-snapped inode is reached (for_wire)
630f27427d391d Jeff Layton    2020-08-07  2514   * or the root inode is reached (!for_wire).
2f2dc053404feb Sage Weil      2009-10-06  2515   *
2f2dc053404feb Sage Weil      2009-10-06  2516   * Encode hidden .snap dirs as a double /, i.e.
2f2dc053404feb Sage Weil      2009-10-06  2517   *   foo/.snap/bar -> foo//bar
2f2dc053404feb Sage Weil      2009-10-06  2518   */
630f27427d391d Jeff Layton    2020-08-07  2519  char *ceph_mdsc_build_path(struct dentry *dentry, int *plen, u64 *pbase, int for_wire)
2f2dc053404feb Sage Weil      2009-10-06  2520  {
7797b721db4bdb Jeff Layton    2020-08-05  2521  	struct dentry *cur;
7797b721db4bdb Jeff Layton    2020-08-05  2522  	struct inode *inode;
2f2dc053404feb Sage Weil      2009-10-06  2523  	char *path;
f77f21bb28367d Jeff Layton    2019-04-29  2524  	int pos;
1b71fe2efa31cd Al Viro        2011-07-16  2525  	unsigned seq;
69a10fb3f4b876 Jeff Layton    2019-04-26  2526  	u64 base;
2f2dc053404feb Sage Weil      2009-10-06  2527  
d37b1d9943d513 Markus Elfring 2017-08-20  2528  	if (!dentry)
2f2dc053404feb Sage Weil      2009-10-06  2529  		return ERR_PTR(-EINVAL);
2f2dc053404feb Sage Weil      2009-10-06  2530  
f77f21bb28367d Jeff Layton    2019-04-29  2531  	path = __getname();
d37b1d9943d513 Markus Elfring 2017-08-20  2532  	if (!path)
2f2dc053404feb Sage Weil      2009-10-06  2533  		return ERR_PTR(-ENOMEM);
f77f21bb28367d Jeff Layton    2019-04-29  2534  retry:
f77f21bb28367d Jeff Layton    2019-04-29  2535  	pos = PATH_MAX - 1;
f77f21bb28367d Jeff Layton    2019-04-29  2536  	path[pos] = '\0';
f77f21bb28367d Jeff Layton    2019-04-29  2537  
f77f21bb28367d Jeff Layton    2019-04-29  2538  	seq = read_seqbegin(&rename_lock);
7797b721db4bdb Jeff Layton    2020-08-05  2539  	cur = dget(dentry);
f77f21bb28367d Jeff Layton    2019-04-29  2540  	for (;;) {
630f27427d391d Jeff Layton    2020-08-07  2541  		struct dentry *parent;
2f2dc053404feb Sage Weil      2009-10-06  2542  
7797b721db4bdb Jeff Layton    2020-08-05  2543  		spin_lock(&cur->d_lock);
7797b721db4bdb Jeff Layton    2020-08-05  2544  		inode = d_inode(cur);
2f2dc053404feb Sage Weil      2009-10-06  2545  		if (inode && ceph_snap(inode) == CEPH_SNAPDIR) {
104648ad3f2ebe Sage Weil      2010-03-18  2546  			dout("build_path path+%d: %p SNAPDIR\n",
7797b721db4bdb Jeff Layton    2020-08-05  2547  			     pos, cur);
630f27427d391d Jeff Layton    2020-08-07  2548  			spin_unlock(&cur->d_lock);
630f27427d391d Jeff Layton    2020-08-07  2549  			parent = dget_parent(cur);
630f27427d391d Jeff Layton    2020-08-07  2550  		} else if (for_wire && inode && dentry != cur && ceph_snap(inode) == CEPH_NOSNAP) {
7797b721db4bdb Jeff Layton    2020-08-05  2551  			spin_unlock(&cur->d_lock);
d6b8bd679c9c88 Jeff Layton    2019-05-09  2552  			pos++; /* get rid of any prepended '/' */
2f2dc053404feb Sage Weil      2009-10-06  2553  			break;
630f27427d391d Jeff Layton    2020-08-07  2554  		} else if (!for_wire || !IS_ENCRYPTED(d_inode(cur->d_parent))) {
7797b721db4bdb Jeff Layton    2020-08-05  2555  			pos -= cur->d_name.len;
1b71fe2efa31cd Al Viro        2011-07-16  2556  			if (pos < 0) {
7797b721db4bdb Jeff Layton    2020-08-05  2557  				spin_unlock(&cur->d_lock);
2f2dc053404feb Sage Weil      2009-10-06  2558  				break;
1b71fe2efa31cd Al Viro        2011-07-16  2559  			}
7797b721db4bdb Jeff Layton    2020-08-05  2560  			memcpy(path + pos, cur->d_name.name, cur->d_name.len);
630f27427d391d Jeff Layton    2020-08-07  2561  			spin_unlock(&cur->d_lock);
630f27427d391d Jeff Layton    2020-08-07  2562  			parent = dget_parent(cur);
630f27427d391d Jeff Layton    2020-08-07  2563  		} else {
630f27427d391d Jeff Layton    2020-08-07  2564  			int len, ret;
630f27427d391d Jeff Layton    2020-08-07  2565  			char buf[FSCRYPT_BASE64URL_CHARS(NAME_MAX)];
630f27427d391d Jeff Layton    2020-08-07  2566  
630f27427d391d Jeff Layton    2020-08-07  2567  			/*
630f27427d391d Jeff Layton    2020-08-07  2568  			 * Proactively copy name into buf, in case we need to present
630f27427d391d Jeff Layton    2020-08-07  2569  			 * it as-is.
630f27427d391d Jeff Layton    2020-08-07  2570  			 */
630f27427d391d Jeff Layton    2020-08-07  2571  			memcpy(buf, cur->d_name.name, cur->d_name.len);
630f27427d391d Jeff Layton    2020-08-07  2572  			len = cur->d_name.len;
630f27427d391d Jeff Layton    2020-08-07  2573  			spin_unlock(&cur->d_lock);
630f27427d391d Jeff Layton    2020-08-07  2574  			parent = dget_parent(cur);
630f27427d391d Jeff Layton    2020-08-07  2575  
630f27427d391d Jeff Layton    2020-08-07  2576  			ret = __fscrypt_prepare_readdir(d_inode(parent));
630f27427d391d Jeff Layton    2020-08-07  2577  			if (ret < 0) {
630f27427d391d Jeff Layton    2020-08-07  2578  				dput(parent);
630f27427d391d Jeff Layton    2020-08-07  2579  				dput(cur);
630f27427d391d Jeff Layton    2020-08-07  2580  				return ERR_PTR(ret);
630f27427d391d Jeff Layton    2020-08-07  2581  			}
630f27427d391d Jeff Layton    2020-08-07  2582  
630f27427d391d Jeff Layton    2020-08-07  2583  			if (fscrypt_has_encryption_key(d_inode(parent))) {
630f27427d391d Jeff Layton    2020-08-07 @2584  				len = ceph_encode_encrypted_fname(d_inode(parent), cur, buf);
630f27427d391d Jeff Layton    2020-08-07  2585  				if (len < 0) {
630f27427d391d Jeff Layton    2020-08-07  2586  					dput(parent);
630f27427d391d Jeff Layton    2020-08-07  2587  					dput(cur);
630f27427d391d Jeff Layton    2020-08-07  2588  					return ERR_PTR(len);
2f2dc053404feb Sage Weil      2009-10-06  2589  				}
630f27427d391d Jeff Layton    2020-08-07  2590  			}
630f27427d391d Jeff Layton    2020-08-07  2591  			pos -= len;
630f27427d391d Jeff Layton    2020-08-07  2592  			if (pos < 0) {
630f27427d391d Jeff Layton    2020-08-07  2593  				dput(parent);
630f27427d391d Jeff Layton    2020-08-07  2594  				break;
630f27427d391d Jeff Layton    2020-08-07  2595  			}
630f27427d391d Jeff Layton    2020-08-07  2596  			memcpy(path + pos, buf, len);
630f27427d391d Jeff Layton    2020-08-07  2597  		}
630f27427d391d Jeff Layton    2020-08-07  2598  		dput(cur);
630f27427d391d Jeff Layton    2020-08-07  2599  		cur = parent;
f77f21bb28367d Jeff Layton    2019-04-29  2600  
f77f21bb28367d Jeff Layton    2019-04-29  2601  		/* Are we at the root? */
7797b721db4bdb Jeff Layton    2020-08-05  2602  		if (IS_ROOT(cur))
f77f21bb28367d Jeff Layton    2019-04-29  2603  			break;
f77f21bb28367d Jeff Layton    2019-04-29  2604  
f77f21bb28367d Jeff Layton    2019-04-29  2605  		/* Are we out of buffer? */
f77f21bb28367d Jeff Layton    2019-04-29  2606  		if (--pos < 0)
f77f21bb28367d Jeff Layton    2019-04-29  2607  			break;
f77f21bb28367d Jeff Layton    2019-04-29  2608  
f77f21bb28367d Jeff Layton    2019-04-29  2609  		path[pos] = '/';
2f2dc053404feb Sage Weil      2009-10-06  2610  	}
7797b721db4bdb Jeff Layton    2020-08-05  2611  	inode = d_inode(cur);
7797b721db4bdb Jeff Layton    2020-08-05  2612  	base = inode ? ceph_ino(inode) : 0;
7797b721db4bdb Jeff Layton    2020-08-05  2613  	dput(cur);
f5946bcc5e7903 Jeff Layton    2019-10-16  2614  
f5946bcc5e7903 Jeff Layton    2019-10-16  2615  	if (read_seqretry(&rename_lock, seq))
f5946bcc5e7903 Jeff Layton    2019-10-16  2616  		goto retry;
f5946bcc5e7903 Jeff Layton    2019-10-16  2617  
f5946bcc5e7903 Jeff Layton    2019-10-16  2618  	if (pos < 0) {
f5946bcc5e7903 Jeff Layton    2019-10-16  2619  		/*
f5946bcc5e7903 Jeff Layton    2019-10-16  2620  		 * A rename didn't occur, but somehow we didn't end up where
f5946bcc5e7903 Jeff Layton    2019-10-16  2621  		 * we thought we would. Throw a warning and try again.
f5946bcc5e7903 Jeff Layton    2019-10-16  2622  		 */
630f27427d391d Jeff Layton    2020-08-07  2623  		pr_warn("build_path did not end path lookup where expected (pos = %d)\n", pos);
2f2dc053404feb Sage Weil      2009-10-06  2624  		goto retry;
2f2dc053404feb Sage Weil      2009-10-06  2625  	}
2f2dc053404feb Sage Weil      2009-10-06  2626  
69a10fb3f4b876 Jeff Layton    2019-04-26  2627  	*pbase = base;
f77f21bb28367d Jeff Layton    2019-04-29  2628  	*plen = PATH_MAX - 1 - pos;
104648ad3f2ebe Sage Weil      2010-03-18  2629  	dout("build_path on %p %d built %llx '%.*s'\n",
f77f21bb28367d Jeff Layton    2019-04-29  2630  	     dentry, d_count(dentry), base, *plen, path + pos);
f77f21bb28367d Jeff Layton    2019-04-29  2631  	return path + pos;
2f2dc053404feb Sage Weil      2009-10-06  2632  }
2f2dc053404feb Sage Weil      2009-10-06  2633  
fd36a71762f3b0 Jeff Layton    2016-12-15  2634  static int build_dentry_path(struct dentry *dentry, struct inode *dir,
2f2dc053404feb Sage Weil      2009-10-06  2635  			     const char **ppath, int *ppathlen, u64 *pino,
1bcb344086f3ec Jeff Layton    2019-04-15  2636  			     bool *pfreepath, bool parent_locked)
2f2dc053404feb Sage Weil      2009-10-06  2637  {
2f2dc053404feb Sage Weil      2009-10-06  2638  	char *path;
2f2dc053404feb Sage Weil      2009-10-06  2639  
c6b0b656ca24ed Jeff Layton    2016-12-15  2640  	rcu_read_lock();
fd36a71762f3b0 Jeff Layton    2016-12-15  2641  	if (!dir)
c6b0b656ca24ed Jeff Layton    2016-12-15  2642  		dir = d_inode_rcu(dentry->d_parent);
630f27427d391d Jeff Layton    2020-08-07  2643  	if (dir && parent_locked && ceph_snap(dir) == CEPH_NOSNAP && !IS_ENCRYPTED(dir)) {
c6b0b656ca24ed Jeff Layton    2016-12-15  2644  		*pino = ceph_ino(dir);
c6b0b656ca24ed Jeff Layton    2016-12-15  2645  		rcu_read_unlock();
2f2dc053404feb Sage Weil      2009-10-06  2646  		*ppath = dentry->d_name.name;
2f2dc053404feb Sage Weil      2009-10-06  2647  		*ppathlen = dentry->d_name.len;
2f2dc053404feb Sage Weil      2009-10-06  2648  		return 0;
2f2dc053404feb Sage Weil      2009-10-06  2649  	}
c6b0b656ca24ed Jeff Layton    2016-12-15  2650  	rcu_read_unlock();
2f2dc053404feb Sage Weil      2009-10-06  2651  	path = ceph_mdsc_build_path(dentry, ppathlen, pino, 1);
2f2dc053404feb Sage Weil      2009-10-06  2652  	if (IS_ERR(path))
2f2dc053404feb Sage Weil      2009-10-06  2653  		return PTR_ERR(path);
2f2dc053404feb Sage Weil      2009-10-06  2654  	*ppath = path;
1bcb344086f3ec Jeff Layton    2019-04-15  2655  	*pfreepath = true;
2f2dc053404feb Sage Weil      2009-10-06  2656  	return 0;
2f2dc053404feb Sage Weil      2009-10-06  2657  }
2f2dc053404feb Sage Weil      2009-10-06  2658  
2f2dc053404feb Sage Weil      2009-10-06  2659  static int build_inode_path(struct inode *inode,
2f2dc053404feb Sage Weil      2009-10-06  2660  			    const char **ppath, int *ppathlen, u64 *pino,
1bcb344086f3ec Jeff Layton    2019-04-15  2661  			    bool *pfreepath)
2f2dc053404feb Sage Weil      2009-10-06  2662  {
2f2dc053404feb Sage Weil      2009-10-06  2663  	struct dentry *dentry;
2f2dc053404feb Sage Weil      2009-10-06  2664  	char *path;
2f2dc053404feb Sage Weil      2009-10-06  2665  
2f2dc053404feb Sage Weil      2009-10-06  2666  	if (ceph_snap(inode) == CEPH_NOSNAP) {
2f2dc053404feb Sage Weil      2009-10-06  2667  		*pino = ceph_ino(inode);
2f2dc053404feb Sage Weil      2009-10-06  2668  		*ppathlen = 0;
2f2dc053404feb Sage Weil      2009-10-06  2669  		return 0;
2f2dc053404feb Sage Weil      2009-10-06  2670  	}
2f2dc053404feb Sage Weil      2009-10-06  2671  	dentry = d_find_alias(inode);
2f2dc053404feb Sage Weil      2009-10-06  2672  	path = ceph_mdsc_build_path(dentry, ppathlen, pino, 1);
2f2dc053404feb Sage Weil      2009-10-06  2673  	dput(dentry);
2f2dc053404feb Sage Weil      2009-10-06  2674  	if (IS_ERR(path))
2f2dc053404feb Sage Weil      2009-10-06  2675  		return PTR_ERR(path);
2f2dc053404feb Sage Weil      2009-10-06  2676  	*ppath = path;
1bcb344086f3ec Jeff Layton    2019-04-15  2677  	*pfreepath = true;
2f2dc053404feb Sage Weil      2009-10-06  2678  	return 0;
2f2dc053404feb Sage Weil      2009-10-06  2679  }
2f2dc053404feb Sage Weil      2009-10-06  2680  
2f2dc053404feb Sage Weil      2009-10-06  2681  /*
2f2dc053404feb Sage Weil      2009-10-06  2682   * request arguments may be specified via an inode *, a dentry *, or
2f2dc053404feb Sage Weil      2009-10-06  2683   * an explicit ino+path.
2f2dc053404feb Sage Weil      2009-10-06  2684   */
2f2dc053404feb Sage Weil      2009-10-06  2685  static int set_request_path_attr(struct inode *rinode, struct dentry *rdentry,
fd36a71762f3b0 Jeff Layton    2016-12-15  2686  				  struct inode *rdiri, const char *rpath,
fd36a71762f3b0 Jeff Layton    2016-12-15  2687  				  u64 rino, const char **ppath, int *pathlen,
1bcb344086f3ec Jeff Layton    2019-04-15  2688  				  u64 *ino, bool *freepath, bool parent_locked)
2f2dc053404feb Sage Weil      2009-10-06  2689  {
2f2dc053404feb Sage Weil      2009-10-06  2690  	int r = 0;
2f2dc053404feb Sage Weil      2009-10-06  2691  
2f2dc053404feb Sage Weil      2009-10-06  2692  	if (rinode) {
2f2dc053404feb Sage Weil      2009-10-06  2693  		r = build_inode_path(rinode, ppath, pathlen, ino, freepath);
2f2dc053404feb Sage Weil      2009-10-06  2694  		dout(" inode %p %llx.%llx\n", rinode, ceph_ino(rinode),
2f2dc053404feb Sage Weil      2009-10-06  2695  		     ceph_snap(rinode));
2f2dc053404feb Sage Weil      2009-10-06  2696  	} else if (rdentry) {
fd36a71762f3b0 Jeff Layton    2016-12-15  2697  		r = build_dentry_path(rdentry, rdiri, ppath, pathlen, ino,
1bcb344086f3ec Jeff Layton    2019-04-15  2698  					freepath, parent_locked);
2f2dc053404feb Sage Weil      2009-10-06  2699  		dout(" dentry %p %llx/%.*s\n", rdentry, *ino, *pathlen,
2f2dc053404feb Sage Weil      2009-10-06  2700  		     *ppath);
795858dbd25346 Sage Weil      2011-08-15  2701  	} else if (rpath || rino) {
2f2dc053404feb Sage Weil      2009-10-06  2702  		*ino = rino;
2f2dc053404feb Sage Weil      2009-10-06  2703  		*ppath = rpath;
b000056a5a8d3f David Zafman   2012-10-25  2704  		*pathlen = rpath ? strlen(rpath) : 0;
2f2dc053404feb Sage Weil      2009-10-06  2705  		dout(" path %.*s\n", *pathlen, rpath);
2f2dc053404feb Sage Weil      2009-10-06  2706  	}
2f2dc053404feb Sage Weil      2009-10-06  2707  
2f2dc053404feb Sage Weil      2009-10-06  2708  	return r;
2f2dc053404feb Sage Weil      2009-10-06  2709  }
2f2dc053404feb Sage Weil      2009-10-06  2710  
6f322d1adf7096 Jeff Layton    2021-05-13  2711  static void encode_mclientrequest_tail(void **p, const struct ceph_mds_request *req)
60267ba35c744d Ilya Dryomov   2020-12-16  2712  {
60267ba35c744d Ilya Dryomov   2020-12-16  2713  	struct ceph_timespec ts;
60267ba35c744d Ilya Dryomov   2020-12-16  2714  	int i;
60267ba35c744d Ilya Dryomov   2020-12-16  2715  
60267ba35c744d Ilya Dryomov   2020-12-16  2716  	ceph_encode_timespec64(&ts, &req->r_stamp);
60267ba35c744d Ilya Dryomov   2020-12-16  2717  	ceph_encode_copy(p, &ts, sizeof(ts));
60267ba35c744d Ilya Dryomov   2020-12-16  2718  
977c54fbce4178 Jeff Layton    2021-01-14  2719  	/* v4: gid_list */
60267ba35c744d Ilya Dryomov   2020-12-16  2720  	ceph_encode_32(p, req->r_cred->group_info->ngroups);
60267ba35c744d Ilya Dryomov   2020-12-16  2721  	for (i = 0; i < req->r_cred->group_info->ngroups; i++)
60267ba35c744d Ilya Dryomov   2020-12-16  2722  		ceph_encode_64(p, from_kgid(&init_user_ns,
60267ba35c744d Ilya Dryomov   2020-12-16  2723  					    req->r_cred->group_info->gid[i]));
6f322d1adf7096 Jeff Layton    2021-05-13  2724  
977c54fbce4178 Jeff Layton    2021-01-14  2725  	/* v5: altname */
977c54fbce4178 Jeff Layton    2021-01-14  2726  	ceph_encode_32(p, req->r_altname_len);
977c54fbce4178 Jeff Layton    2021-01-14  2727  	ceph_encode_copy(p, req->r_altname, req->r_altname_len);
6f322d1adf7096 Jeff Layton    2021-05-13  2728  
6f322d1adf7096 Jeff Layton    2021-05-13  2729  	/* v6: fscrypt_auth and fscrypt_file */
6f322d1adf7096 Jeff Layton    2021-05-13  2730  	if (req->r_fscrypt_auth) {
589d14dcb54206 Jeff Layton    2020-09-08 @2731  		u32 authlen = ceph_fscrypt_auth_len(req->r_fscrypt_auth);
6f322d1adf7096 Jeff Layton    2021-05-13  2732  
6f322d1adf7096 Jeff Layton    2021-05-13  2733  		ceph_encode_32(p, authlen);
6f322d1adf7096 Jeff Layton    2021-05-13  2734  		ceph_encode_copy(p, req->r_fscrypt_auth, authlen);
6f322d1adf7096 Jeff Layton    2021-05-13  2735  	} else {
6f322d1adf7096 Jeff Layton    2021-05-13  2736  		ceph_encode_32(p, 0);
6f322d1adf7096 Jeff Layton    2021-05-13  2737  	}
6f322d1adf7096 Jeff Layton    2021-05-13  2738  	ceph_encode_32(p, 0); // fscrypt_file for now
60267ba35c744d Ilya Dryomov   2020-12-16  2739  }
60267ba35c744d Ilya Dryomov   2020-12-16  2740  

:::::: The code at line 2731 was first introduced by commit
:::::: 589d14dcb542060a0f1a3c154401c4379339db3c ceph: implement -o test_dummy_encryption mount option

:::::: TO: Jeff Layton <jlayton@kernel.org>
:::::: CC: Jeff Layton <jlayton@kernel.org>

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org

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2021-08-24 17:51 [jlayton:ceph-fscrypt-size 33/40] fs/ceph/mds_client.c:2731:17: error: implicit declaration of function 'ceph_fscrypt_auth_len' kernel test robot

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