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Message-ID: <202308171726.ntrgXj1p-lkp@intel.com>
Date: Thu, 17 Aug 2023 17:45:53 +0800
From: kernel test robot <lkp@...el.com>
To: Andreas Gruenbacher <agruen@...nel.org>
Cc: oe-kbuild-all@...ts.linux.dev, linux-kernel@...r.kernel.org,
Jens Axboe <axboe@...nel.dk>,
Christoph Böhmwalder
<christoph.boehmwalder@...bit.com>
Subject: drivers/block/drbd/drbd_bitmap.c:1222: warning: Function parameter
or member 'peer_device' not described in 'drbd_bm_read'
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: 4853c74bd7ab7fdb83f319bd9ace8a08c031e9b6
commit: 8164dd6c8ae158ec0740bf37f0f14645a1fb5355 drbd: Add peer device parameter to whole-bitmap I/O handlers
date: 5 months ago
config: sparc-allyesconfig (https://download.01.org/0day-ci/archive/20230817/202308171726.ntrgXj1p-lkp@intel.com/config)
compiler: sparc64-linux-gcc (GCC) 12.3.0
reproduce: (https://download.01.org/0day-ci/archive/20230817/202308171726.ntrgXj1p-lkp@intel.com/reproduce)
If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@...el.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202308171726.ntrgXj1p-lkp@intel.com/
All warnings (new ones prefixed by >>):
>> drivers/block/drbd/drbd_bitmap.c:1222: warning: Function parameter or member 'peer_device' not described in 'drbd_bm_read'
>> drivers/block/drbd/drbd_bitmap.c:1234: warning: Function parameter or member 'peer_device' not described in 'drbd_bm_write'
>> drivers/block/drbd/drbd_bitmap.c:1246: warning: Function parameter or member 'peer_device' not described in 'drbd_bm_write_all'
>> drivers/block/drbd/drbd_bitmap.c:1273: warning: Function parameter or member 'peer_device' not described in 'drbd_bm_write_copy_pages'
--
>> drivers/block/drbd/drbd_main.c:3415: warning: Function parameter or member 'peer_device' not described in 'drbd_bmio_set_n_write'
>> drivers/block/drbd/drbd_main.c:3441: warning: Function parameter or member 'peer_device' not described in 'drbd_bmio_clear_n_write'
>> drivers/block/drbd/drbd_main.c:3502: warning: Function parameter or member 'peer_device' not described in 'drbd_queue_bitmap_io'
>> drivers/block/drbd/drbd_main.c:3544: warning: Function parameter or member 'peer_device' not described in 'drbd_bitmap_io'
vim +1222 drivers/block/drbd/drbd_bitmap.c
b411b3637fa71fc Philipp Reisner 2009-09-25 1214
b411b3637fa71fc Philipp Reisner 2009-09-25 1215 /**
b411b3637fa71fc Philipp Reisner 2009-09-25 1216 * drbd_bm_read() - Read the whole bitmap from its on disk location.
b30ab7913b0a7b1 Andreas Gruenbacher 2011-07-03 1217 * @device: DRBD device.
b411b3637fa71fc Philipp Reisner 2009-09-25 1218 */
8164dd6c8ae158e Andreas Gruenbacher 2023-03-30 1219 int drbd_bm_read(struct drbd_device *device,
8164dd6c8ae158e Andreas Gruenbacher 2023-03-30 1220 struct drbd_peer_device *peer_device) __must_hold(local)
8164dd6c8ae158e Andreas Gruenbacher 2023-03-30 1221
b411b3637fa71fc Philipp Reisner 2009-09-25 @1222 {
4ce4926683b820c Lars Ellenberg 2014-05-06 1223 return bm_rw(device, BM_AIO_READ, 0);
b411b3637fa71fc Philipp Reisner 2009-09-25 1224 }
b411b3637fa71fc Philipp Reisner 2009-09-25 1225
b411b3637fa71fc Philipp Reisner 2009-09-25 1226 /**
b411b3637fa71fc Philipp Reisner 2009-09-25 1227 * drbd_bm_write() - Write the whole bitmap to its on disk location.
b30ab7913b0a7b1 Andreas Gruenbacher 2011-07-03 1228 * @device: DRBD device.
19f843aa08e2d8f Lars Ellenberg 2010-12-15 1229 *
19f843aa08e2d8f Lars Ellenberg 2010-12-15 1230 * Will only write pages that have changed since last IO.
b411b3637fa71fc Philipp Reisner 2009-09-25 1231 */
8164dd6c8ae158e Andreas Gruenbacher 2023-03-30 1232 int drbd_bm_write(struct drbd_device *device,
8164dd6c8ae158e Andreas Gruenbacher 2023-03-30 1233 struct drbd_peer_device *peer_device) __must_hold(local)
b411b3637fa71fc Philipp Reisner 2009-09-25 @1234 {
4ce4926683b820c Lars Ellenberg 2014-05-06 1235 return bm_rw(device, 0, 0);
b411b3637fa71fc Philipp Reisner 2009-09-25 1236 }
b411b3637fa71fc Philipp Reisner 2009-09-25 1237
d1aa4d04da8de5c Philipp Reisner 2012-08-08 1238 /**
d1aa4d04da8de5c Philipp Reisner 2012-08-08 1239 * drbd_bm_write_all() - Write the whole bitmap to its on disk location.
b30ab7913b0a7b1 Andreas Gruenbacher 2011-07-03 1240 * @device: DRBD device.
d1aa4d04da8de5c Philipp Reisner 2012-08-08 1241 *
d1aa4d04da8de5c Philipp Reisner 2012-08-08 1242 * Will write all pages.
d1aa4d04da8de5c Philipp Reisner 2012-08-08 1243 */
8164dd6c8ae158e Andreas Gruenbacher 2023-03-30 1244 int drbd_bm_write_all(struct drbd_device *device,
8164dd6c8ae158e Andreas Gruenbacher 2023-03-30 1245 struct drbd_peer_device *peer_device) __must_hold(local)
d1aa4d04da8de5c Philipp Reisner 2012-08-08 @1246 {
4ce4926683b820c Lars Ellenberg 2014-05-06 1247 return bm_rw(device, BM_AIO_WRITE_ALL_PAGES, 0);
d1aa4d04da8de5c Philipp Reisner 2012-08-08 1248 }
d1aa4d04da8de5c Philipp Reisner 2012-08-08 1249
c7a58db4e9dc523 Lars Ellenberg 2013-12-20 1250 /**
c7a58db4e9dc523 Lars Ellenberg 2013-12-20 1251 * drbd_bm_write_lazy() - Write bitmap pages 0 to @upper_idx-1, if they have changed.
c7a58db4e9dc523 Lars Ellenberg 2013-12-20 1252 * @device: DRBD device.
c7a58db4e9dc523 Lars Ellenberg 2013-12-20 1253 * @upper_idx: 0: write all changed pages; +ve: page index to stop scanning for changed pages
c7a58db4e9dc523 Lars Ellenberg 2013-12-20 1254 */
c7a58db4e9dc523 Lars Ellenberg 2013-12-20 1255 int drbd_bm_write_lazy(struct drbd_device *device, unsigned upper_idx) __must_hold(local)
c7a58db4e9dc523 Lars Ellenberg 2013-12-20 1256 {
c7a58db4e9dc523 Lars Ellenberg 2013-12-20 1257 return bm_rw(device, BM_AIO_COPY_PAGES, upper_idx);
c7a58db4e9dc523 Lars Ellenberg 2013-12-20 1258 }
c7a58db4e9dc523 Lars Ellenberg 2013-12-20 1259
0e8488ade26b4b1 Lars Ellenberg 2012-04-25 1260 /**
0e8488ade26b4b1 Lars Ellenberg 2012-04-25 1261 * drbd_bm_write_copy_pages() - Write the whole bitmap to its on disk location.
b30ab7913b0a7b1 Andreas Gruenbacher 2011-07-03 1262 * @device: DRBD device.
0e8488ade26b4b1 Lars Ellenberg 2012-04-25 1263 *
0e8488ade26b4b1 Lars Ellenberg 2012-04-25 1264 * Will only write pages that have changed since last IO.
0e8488ade26b4b1 Lars Ellenberg 2012-04-25 1265 * In contrast to drbd_bm_write(), this will copy the bitmap pages
0e8488ade26b4b1 Lars Ellenberg 2012-04-25 1266 * to temporary writeout pages. It is intended to trigger a full write-out
0e8488ade26b4b1 Lars Ellenberg 2012-04-25 1267 * while still allowing the bitmap to change, for example if a resync or online
0e8488ade26b4b1 Lars Ellenberg 2012-04-25 1268 * verify is aborted due to a failed peer disk, while local IO continues, or
0e8488ade26b4b1 Lars Ellenberg 2012-04-25 1269 * pending resync acks are still being processed.
0e8488ade26b4b1 Lars Ellenberg 2012-04-25 1270 */
8164dd6c8ae158e Andreas Gruenbacher 2023-03-30 1271 int drbd_bm_write_copy_pages(struct drbd_device *device,
8164dd6c8ae158e Andreas Gruenbacher 2023-03-30 1272 struct drbd_peer_device *peer_device) __must_hold(local)
0e8488ade26b4b1 Lars Ellenberg 2012-04-25 @1273 {
4ce4926683b820c Lars Ellenberg 2014-05-06 1274 return bm_rw(device, BM_AIO_COPY_PAGES, 0);
19f843aa08e2d8f Lars Ellenberg 2010-12-15 1275 }
19f843aa08e2d8f Lars Ellenberg 2010-12-15 1276
:::::: The code at line 1222 was first introduced by commit
:::::: b411b3637fa71fce9cf2acf0639009500f5892fe The DRBD driver
:::::: TO: Philipp Reisner <philipp.reisner@...bit.com>
:::::: CC: Jens Axboe <jens.axboe@...cle.com>
--
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