On Mon, Jan 04, 2021 at 06:14:41AM +0000, Damien Le Moal wrote: > On Mon, 2020-12-28 at 12:49 +0100, gregkh@xxxxxxxxxxxxxxxxxxx wrote: > > The patch below does not apply to the 4.19-stable tree. > > If someone wants it applied there, or to any other stable or longterm > > tree, then please email the backport, including the original git commit > > id to <stable@xxxxxxxxxxxxxxx>. > > > > thanks, > > > > greg k-h > > Hi Greg, > > I sent a backported patch for 4.19-stable in reply to your email. The backport > is identical to the one I sent separately for the 5.4-stable tree. It breaks the build: drivers/block/null_blk_zoned.c: In function ‘null_zone_init’: drivers/block/null_blk_zoned.c:5:42: error: ‘SZ_1M’ undeclared (first use in this function) 5 | #define MB_TO_SECTS(mb) (((sector_t)mb * SZ_1M) >> SECTOR_SHIFT) | ^~~~~ drivers/block/null_blk_zoned.c:27:23: note: in expansion of macro ‘MB_TO_SECTS’ 27 | dev_capacity_sects = MB_TO_SECTS(dev->size); | ^~~~~~~~~~~ drivers/block/null_blk_zoned.c:5:42: note: each undeclared identifier is reported only once for each function it appears in 5 | #define MB_TO_SECTS(mb) (((sector_t)mb * SZ_1M) >> SECTOR_SHIFT) | ^~~~~ drivers/block/null_blk_zoned.c:27:23: note: in expansion of macro ‘MB_TO_SECTS’ 27 | dev_capacity_sects = MB_TO_SECTS(dev->size); | ^~~~~~~~~~~ :(