Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
Merge tag 'block-5.10-2020-12-05' of git://git.kernel.dk/linux-block
Pull block fix from Jens Axboe:
"Single fix for an issue with chunk_sectors and stacked devices"
* tag 'block-5.10-2020-12-05' of git://git.kernel.dk/linux-block:
block: use gcd() to fix chunk_sectors limit stacking
+4
-1
+4
-1
block/blk-settings.c
+4
-1
block/blk-settings.c
···
547
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548
t->io_min = max(t->io_min, b->io_min);
549
549
t->io_opt = lcm_not_zero(t->io_opt, b->io_opt);
550
-
t->chunk_sectors = lcm_not_zero(t->chunk_sectors, b->chunk_sectors);
550
+
551
+
/* Set non-power-of-2 compatible chunk_sectors boundary */
552
+
if (b->chunk_sectors)
553
+
t->chunk_sectors = gcd(t->chunk_sectors, b->chunk_sectors);
551
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552
555
/* Physical block size a multiple of the logical block size? */
553
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if (t->physical_block_size & (t->logical_block_size - 1)) {