[jlayton:ceph-fscrypt-size 33/40] fs/ceph/mds_client.c:2731:17: error: implicit declaration of function 'ceph_fscrypt_auth_len'

From: kernel test robot
Date: Tue Aug 24 2021 - 13:52:51 EST

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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@xxxxxxxxx>

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@xxxxxxxxxx>
:::::: CC: Jeff Layton <jlayton@xxxxxxxxxx>

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

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