tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: 1ce8c443e95698cecc32cc8ed5ff4b72da61eed4 commit: 5c0de3d72f8c05678ed769bea24e98128f7ab570 dm writecache: make writeback pause configurable date: 1 year ago reproduce: make htmldocs If you fix the issue, kindly add following tag where applicable Reported-by: kernel test robot <lkp@xxxxxxxxx> All warnings (new ones prefixed by >>): >> Documentation/admin-guide/device-mapper/writecache.rst:23: WARNING: Unexpected indentation. vim +23 Documentation/admin-guide/device-mapper/writecache.rst f0ba43774cea3fc Documentation/device-mapper/writecache.rst Mauro Carvalho Chehab 2019-06-12 13 48debafe4f2feab Documentation/device-mapper/writecache.txt Mikulas Patocka 2018-03-08 14 1. type of the cache device - "p" or "s" f0ba43774cea3fc Documentation/device-mapper/writecache.rst Mauro Carvalho Chehab 2019-06-12 15 - p - persistent memory f0ba43774cea3fc Documentation/device-mapper/writecache.rst Mauro Carvalho Chehab 2019-06-12 16 - s - SSD 48debafe4f2feab Documentation/device-mapper/writecache.txt Mikulas Patocka 2018-03-08 17 2. the underlying device that will be cached 48debafe4f2feab Documentation/device-mapper/writecache.txt Mikulas Patocka 2018-03-08 18 3. the cache device 48debafe4f2feab Documentation/device-mapper/writecache.txt Mikulas Patocka 2018-03-08 19 4. block size (4096 is recommended; the maximum block size is the page 48debafe4f2feab Documentation/device-mapper/writecache.txt Mikulas Patocka 2018-03-08 20 size) 48debafe4f2feab Documentation/device-mapper/writecache.txt Mikulas Patocka 2018-03-08 21 5. the number of optional parameters (the parameters with an argument 48debafe4f2feab Documentation/device-mapper/writecache.txt Mikulas Patocka 2018-03-08 22 count as two) d284f8248c72d0c Documentation/device-mapper/writecache.txt Mikulas Patocka 2018-06-28 @23 start_sector n (default: 0) :::::: The code at line 23 was first introduced by commit :::::: d284f8248c72d0cb36a930920e60592eb455cd0d dm writecache: support optional offset for start of device :::::: TO: Mikulas Patocka <mpatocka@xxxxxxxxxx> :::::: CC: Mike Snitzer <snitzer@xxxxxxxxxx> -- 0-DAY CI Kernel Test Service https://01.org/lkp