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From: Dan Carpenter <dan.carpenter@oracle.com>
To: kbuild@lists.01.org, Vasily Averin <vvs@virtuozzo.com>,
	Trond Myklebust <trond.myklebust@hammerspace.com>,
	Anna Schumaker <anna.schumaker@netapp.com>
Cc: lkp@intel.com, kbuild-all@lists.01.org, kernel@openvz.org,
	linux-nfs@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH] nfs: local_lock: handle async processing of F_SETLK with FL_SLEEP
Date: Thu, 6 Jan 2022 13:29:57 +0300	[thread overview]
Message-ID: <202112281211.SsWl4cfI-lkp@intel.com> (raw)
In-Reply-To: <6613b17b-43bd-07d0-2ca7-1581a39cdf7b@virtuozzo.com>

Hi Vasily,

url:    https://github.com/0day-ci/linux/commits/Vasily-Averin/nfs-local_lock-handle-async-processing-of-F_SETLK-with-FL_SLEEP/20211227-184705
base:   git://git.linux-nfs.org/projects/trondmy/linux-nfs.git linux-next
config: i386-randconfig-m021-20211227 (https://download.01.org/0day-ci/archive/20211228/202112281211.SsWl4cfI-lkp@intel.com/config)
compiler: gcc-9 (Debian 9.3.0-22) 9.3.0

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

smatch warnings:
fs/nfs/file.c:772 do_setlk() warn: should this be a bitwise op?

vim +772 fs/nfs/file.c

5eebde23223aeb Suresh Jayaraman 2010-09-23  752  static int
5eebde23223aeb Suresh Jayaraman 2010-09-23  753  do_setlk(struct file *filp, int cmd, struct file_lock *fl, int is_local)
^1da177e4c3f41 Linus Torvalds   2005-04-16  754  {
^1da177e4c3f41 Linus Torvalds   2005-04-16  755  	struct inode *inode = filp->f_mapping->host;
^1da177e4c3f41 Linus Torvalds   2005-04-16  756  	int status;
^1da177e4c3f41 Linus Torvalds   2005-04-16  757  
^1da177e4c3f41 Linus Torvalds   2005-04-16  758  	/*
^1da177e4c3f41 Linus Torvalds   2005-04-16  759  	 * Flush all pending writes before doing anything
^1da177e4c3f41 Linus Torvalds   2005-04-16  760  	 * with locks..
^1da177e4c3f41 Linus Torvalds   2005-04-16  761  	 */
29884df0d89c1d Trond Myklebust  2005-12-13  762  	status = nfs_sync_mapping(filp->f_mapping);
29884df0d89c1d Trond Myklebust  2005-12-13  763  	if (status != 0)
^1da177e4c3f41 Linus Torvalds   2005-04-16  764  		goto out;
^1da177e4c3f41 Linus Torvalds   2005-04-16  765  
5eebde23223aeb Suresh Jayaraman 2010-09-23  766  	/*
5eebde23223aeb Suresh Jayaraman 2010-09-23  767  	 * Use local locking if mounted with "-onolock" or with appropriate
5eebde23223aeb Suresh Jayaraman 2010-09-23  768  	 * "-olocal_lock="
5eebde23223aeb Suresh Jayaraman 2010-09-23  769  	 */
5eebde23223aeb Suresh Jayaraman 2010-09-23  770  	if (!is_local)
^1da177e4c3f41 Linus Torvalds   2005-04-16  771  		status = NFS_PROTO(inode)->lock(filp, cmd, fl);
00e7edbaaa914f Vasily Averin    2021-12-27 @772  	else if ((fl->fl_flags && FL_SLEEP) && IS_SETLK(cmd))
                                                                               ^
&& vs &

00e7edbaaa914f Vasily Averin    2021-12-27  773  		status = posix_lock_file(filp, fl, NULL);
c4d7c402b788b7 Trond Myklebust  2008-04-01  774  	else
75575ddf29cbbf Jeff Layton      2016-09-17  775  		status = locks_lock_file_wait(filp, fl);
00e7edbaaa914f Vasily Averin    2021-12-27  776  	if (status)
^1da177e4c3f41 Linus Torvalds   2005-04-16  777  		goto out;
6b96724e507fec Ricardo Labiaga  2010-10-12  778  
^1da177e4c3f41 Linus Torvalds   2005-04-16  779  	/*
779eafab06036f NeilBrown        2017-08-18  780  	 * Invalidate cache to prevent missing any changes.  If
779eafab06036f NeilBrown        2017-08-18  781  	 * the file is mapped, clear the page cache as well so
779eafab06036f NeilBrown        2017-08-18  782  	 * those mappings will be loaded.
6b96724e507fec Ricardo Labiaga  2010-10-12  783  	 *
^1da177e4c3f41 Linus Torvalds   2005-04-16  784  	 * This makes locking act as a cache coherency point.
^1da177e4c3f41 Linus Torvalds   2005-04-16  785  	 */
29884df0d89c1d Trond Myklebust  2005-12-13  786  	nfs_sync_mapping(filp->f_mapping);
779eafab06036f NeilBrown        2017-08-18  787  	if (!NFS_PROTO(inode)->have_delegation(inode, FMODE_READ)) {
442ce0499c0535 NeilBrown        2017-07-24  788  		nfs_zap_caches(inode);
779eafab06036f NeilBrown        2017-08-18  789  		if (mapping_mapped(filp->f_mapping))
779eafab06036f NeilBrown        2017-08-18  790  			nfs_revalidate_mapping(inode, filp->f_mapping);
779eafab06036f NeilBrown        2017-08-18  791  	}
^1da177e4c3f41 Linus Torvalds   2005-04-16  792  out:
^1da177e4c3f41 Linus Torvalds   2005-04-16  793  	return status;
^1da177e4c3f41 Linus Torvalds   2005-04-16  794  }

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


WARNING: multiple messages have this Message-ID (diff)
From: Dan Carpenter <dan.carpenter@oracle.com>
To: kbuild-all@lists.01.org
Subject: Re: [PATCH] nfs: local_lock: handle async processing of F_SETLK with FL_SLEEP
Date: Thu, 06 Jan 2022 13:29:57 +0300	[thread overview]
Message-ID: <202112281211.SsWl4cfI-lkp@intel.com> (raw)
In-Reply-To: <6613b17b-43bd-07d0-2ca7-1581a39cdf7b@virtuozzo.com>

[-- Attachment #1: Type: text/plain, Size: 4145 bytes --]

Hi Vasily,

url:    https://github.com/0day-ci/linux/commits/Vasily-Averin/nfs-local_lock-handle-async-processing-of-F_SETLK-with-FL_SLEEP/20211227-184705
base:   git://git.linux-nfs.org/projects/trondmy/linux-nfs.git linux-next
config: i386-randconfig-m021-20211227 (https://download.01.org/0day-ci/archive/20211228/202112281211.SsWl4cfI-lkp(a)intel.com/config)
compiler: gcc-9 (Debian 9.3.0-22) 9.3.0

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

smatch warnings:
fs/nfs/file.c:772 do_setlk() warn: should this be a bitwise op?

vim +772 fs/nfs/file.c

5eebde23223aeb Suresh Jayaraman 2010-09-23  752  static int
5eebde23223aeb Suresh Jayaraman 2010-09-23  753  do_setlk(struct file *filp, int cmd, struct file_lock *fl, int is_local)
^1da177e4c3f41 Linus Torvalds   2005-04-16  754  {
^1da177e4c3f41 Linus Torvalds   2005-04-16  755  	struct inode *inode = filp->f_mapping->host;
^1da177e4c3f41 Linus Torvalds   2005-04-16  756  	int status;
^1da177e4c3f41 Linus Torvalds   2005-04-16  757  
^1da177e4c3f41 Linus Torvalds   2005-04-16  758  	/*
^1da177e4c3f41 Linus Torvalds   2005-04-16  759  	 * Flush all pending writes before doing anything
^1da177e4c3f41 Linus Torvalds   2005-04-16  760  	 * with locks..
^1da177e4c3f41 Linus Torvalds   2005-04-16  761  	 */
29884df0d89c1d Trond Myklebust  2005-12-13  762  	status = nfs_sync_mapping(filp->f_mapping);
29884df0d89c1d Trond Myklebust  2005-12-13  763  	if (status != 0)
^1da177e4c3f41 Linus Torvalds   2005-04-16  764  		goto out;
^1da177e4c3f41 Linus Torvalds   2005-04-16  765  
5eebde23223aeb Suresh Jayaraman 2010-09-23  766  	/*
5eebde23223aeb Suresh Jayaraman 2010-09-23  767  	 * Use local locking if mounted with "-onolock" or with appropriate
5eebde23223aeb Suresh Jayaraman 2010-09-23  768  	 * "-olocal_lock="
5eebde23223aeb Suresh Jayaraman 2010-09-23  769  	 */
5eebde23223aeb Suresh Jayaraman 2010-09-23  770  	if (!is_local)
^1da177e4c3f41 Linus Torvalds   2005-04-16  771  		status = NFS_PROTO(inode)->lock(filp, cmd, fl);
00e7edbaaa914f Vasily Averin    2021-12-27 @772  	else if ((fl->fl_flags && FL_SLEEP) && IS_SETLK(cmd))
                                                                               ^
&& vs &

00e7edbaaa914f Vasily Averin    2021-12-27  773  		status = posix_lock_file(filp, fl, NULL);
c4d7c402b788b7 Trond Myklebust  2008-04-01  774  	else
75575ddf29cbbf Jeff Layton      2016-09-17  775  		status = locks_lock_file_wait(filp, fl);
00e7edbaaa914f Vasily Averin    2021-12-27  776  	if (status)
^1da177e4c3f41 Linus Torvalds   2005-04-16  777  		goto out;
6b96724e507fec Ricardo Labiaga  2010-10-12  778  
^1da177e4c3f41 Linus Torvalds   2005-04-16  779  	/*
779eafab06036f NeilBrown        2017-08-18  780  	 * Invalidate cache to prevent missing any changes.  If
779eafab06036f NeilBrown        2017-08-18  781  	 * the file is mapped, clear the page cache as well so
779eafab06036f NeilBrown        2017-08-18  782  	 * those mappings will be loaded.
6b96724e507fec Ricardo Labiaga  2010-10-12  783  	 *
^1da177e4c3f41 Linus Torvalds   2005-04-16  784  	 * This makes locking act as a cache coherency point.
^1da177e4c3f41 Linus Torvalds   2005-04-16  785  	 */
29884df0d89c1d Trond Myklebust  2005-12-13  786  	nfs_sync_mapping(filp->f_mapping);
779eafab06036f NeilBrown        2017-08-18  787  	if (!NFS_PROTO(inode)->have_delegation(inode, FMODE_READ)) {
442ce0499c0535 NeilBrown        2017-07-24  788  		nfs_zap_caches(inode);
779eafab06036f NeilBrown        2017-08-18  789  		if (mapping_mapped(filp->f_mapping))
779eafab06036f NeilBrown        2017-08-18  790  			nfs_revalidate_mapping(inode, filp->f_mapping);
779eafab06036f NeilBrown        2017-08-18  791  	}
^1da177e4c3f41 Linus Torvalds   2005-04-16  792  out:
^1da177e4c3f41 Linus Torvalds   2005-04-16  793  	return status;
^1da177e4c3f41 Linus Torvalds   2005-04-16  794  }

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

WARNING: multiple messages have this Message-ID (diff)
From: kernel test robot <lkp@intel.com>
To: kbuild@lists.01.org
Subject: Re: [PATCH] nfs: local_lock: handle async processing of F_SETLK with FL_SLEEP
Date: Tue, 28 Dec 2021 12:19:54 +0800	[thread overview]
Message-ID: <202112281211.SsWl4cfI-lkp@intel.com> (raw)

[-- Attachment #1: Type: text/plain, Size: 4978 bytes --]

CC: kbuild-all(a)lists.01.org
In-Reply-To: <6613b17b-43bd-07d0-2ca7-1581a39cdf7b@virtuozzo.com>
References: <6613b17b-43bd-07d0-2ca7-1581a39cdf7b@virtuozzo.com>
TO: Vasily Averin <vvs@virtuozzo.com>
TO: Trond Myklebust <trond.myklebust@hammerspace.com>
TO: Anna Schumaker <anna.schumaker@netapp.com>
CC: kernel(a)openvz.org
CC: linux-nfs(a)vger.kernel.org
CC: linux-kernel(a)vger.kernel.org

Hi Vasily,

Thank you for the patch! Perhaps something to improve:

[auto build test WARNING on trondmy-nfs/linux-next]
[also build test WARNING on v5.16-rc7 next-20211224]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch]

url:    https://github.com/0day-ci/linux/commits/Vasily-Averin/nfs-local_lock-handle-async-processing-of-F_SETLK-with-FL_SLEEP/20211227-184705
base:   git://git.linux-nfs.org/projects/trondmy/linux-nfs.git linux-next
:::::: branch date: 17 hours ago
:::::: commit date: 17 hours ago
config: i386-randconfig-m021-20211227 (https://download.01.org/0day-ci/archive/20211228/202112281211.SsWl4cfI-lkp(a)intel.com/config)
compiler: gcc-9 (Debian 9.3.0-22) 9.3.0

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

smatch warnings:
fs/nfs/file.c:772 do_setlk() warn: should this be a bitwise op?

vim +772 fs/nfs/file.c

^1da177e4c3f41 Linus Torvalds   2005-04-16  751  
5eebde23223aeb Suresh Jayaraman 2010-09-23  752  static int
5eebde23223aeb Suresh Jayaraman 2010-09-23  753  do_setlk(struct file *filp, int cmd, struct file_lock *fl, int is_local)
^1da177e4c3f41 Linus Torvalds   2005-04-16  754  {
^1da177e4c3f41 Linus Torvalds   2005-04-16  755  	struct inode *inode = filp->f_mapping->host;
^1da177e4c3f41 Linus Torvalds   2005-04-16  756  	int status;
^1da177e4c3f41 Linus Torvalds   2005-04-16  757  
^1da177e4c3f41 Linus Torvalds   2005-04-16  758  	/*
^1da177e4c3f41 Linus Torvalds   2005-04-16  759  	 * Flush all pending writes before doing anything
^1da177e4c3f41 Linus Torvalds   2005-04-16  760  	 * with locks..
^1da177e4c3f41 Linus Torvalds   2005-04-16  761  	 */
29884df0d89c1d Trond Myklebust  2005-12-13  762  	status = nfs_sync_mapping(filp->f_mapping);
29884df0d89c1d Trond Myklebust  2005-12-13  763  	if (status != 0)
^1da177e4c3f41 Linus Torvalds   2005-04-16  764  		goto out;
^1da177e4c3f41 Linus Torvalds   2005-04-16  765  
5eebde23223aeb Suresh Jayaraman 2010-09-23  766  	/*
5eebde23223aeb Suresh Jayaraman 2010-09-23  767  	 * Use local locking if mounted with "-onolock" or with appropriate
5eebde23223aeb Suresh Jayaraman 2010-09-23  768  	 * "-olocal_lock="
5eebde23223aeb Suresh Jayaraman 2010-09-23  769  	 */
5eebde23223aeb Suresh Jayaraman 2010-09-23  770  	if (!is_local)
^1da177e4c3f41 Linus Torvalds   2005-04-16  771  		status = NFS_PROTO(inode)->lock(filp, cmd, fl);
00e7edbaaa914f Vasily Averin    2021-12-27 @772  	else if ((fl->fl_flags && FL_SLEEP) && IS_SETLK(cmd))
00e7edbaaa914f Vasily Averin    2021-12-27  773  		status = posix_lock_file(filp, fl, NULL);
c4d7c402b788b7 Trond Myklebust  2008-04-01  774  	else
75575ddf29cbbf Jeff Layton      2016-09-17  775  		status = locks_lock_file_wait(filp, fl);
00e7edbaaa914f Vasily Averin    2021-12-27  776  	if (status)
^1da177e4c3f41 Linus Torvalds   2005-04-16  777  		goto out;
6b96724e507fec Ricardo Labiaga  2010-10-12  778  
^1da177e4c3f41 Linus Torvalds   2005-04-16  779  	/*
779eafab06036f NeilBrown        2017-08-18  780  	 * Invalidate cache to prevent missing any changes.  If
779eafab06036f NeilBrown        2017-08-18  781  	 * the file is mapped, clear the page cache as well so
779eafab06036f NeilBrown        2017-08-18  782  	 * those mappings will be loaded.
6b96724e507fec Ricardo Labiaga  2010-10-12  783  	 *
^1da177e4c3f41 Linus Torvalds   2005-04-16  784  	 * This makes locking act as a cache coherency point.
^1da177e4c3f41 Linus Torvalds   2005-04-16  785  	 */
29884df0d89c1d Trond Myklebust  2005-12-13  786  	nfs_sync_mapping(filp->f_mapping);
779eafab06036f NeilBrown        2017-08-18  787  	if (!NFS_PROTO(inode)->have_delegation(inode, FMODE_READ)) {
442ce0499c0535 NeilBrown        2017-07-24  788  		nfs_zap_caches(inode);
779eafab06036f NeilBrown        2017-08-18  789  		if (mapping_mapped(filp->f_mapping))
779eafab06036f NeilBrown        2017-08-18  790  			nfs_revalidate_mapping(inode, filp->f_mapping);
779eafab06036f NeilBrown        2017-08-18  791  	}
^1da177e4c3f41 Linus Torvalds   2005-04-16  792  out:
^1da177e4c3f41 Linus Torvalds   2005-04-16  793  	return status;
^1da177e4c3f41 Linus Torvalds   2005-04-16  794  }
^1da177e4c3f41 Linus Torvalds   2005-04-16  795  

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

       reply	other threads:[~2022-01-06 10:30 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-12-28  4:19 kernel test robot [this message]
2022-01-06 10:29 ` [PATCH] nfs: local_lock: handle async processing of F_SETLK with FL_SLEEP Dan Carpenter
2022-01-06 10:29 ` Dan Carpenter
  -- strict thread matches above, loose matches on Subject: below --
2021-12-27 10:45 Vasily Averin
2021-12-27 12:59 ` kernel test robot
2021-12-27 12:59   ` kernel test robot
2021-12-27 15:50   ` [PATCH v2] " Vasily Averin
2021-12-28  1:00     ` Vasily Averin

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