bcache: Fix discard granularity

blk_stack_limits() doesn't like a discard granularity of 0. Signed-off-by: Kent Overstreet <kmo@daterainc.com>

bcache: Fix discard granularity
blk_stack_limits() doesn't like a discard granularity of 0. Signed-off-by: Kent Overstreet <kmo@daterainc.com>
Kent Overstreet
1 parent 487dded86e
Showing 1 changed file with 1 additions and 0 deletions Side-by-side Diff
drivers/md/bcache/super.c
@@ -843,6 +843,7 @@
 	q->limits.max_segment_size	= UINT_MAX;
 	q->limits.max_segments		= BIO_MAX_PAGES;
 	q->limits.max_discard_sectors	= UINT_MAX;
+	q->limits.discard_granularity	= 512;
 	q->limits.io_min		= block_size;
 	q->limits.logical_block_size	= block_size;
 	q->limits.physical_block_size	= block_size;
...	...	@@ -843,6 +843,7 @@
843	843	q->limits.max_segment_size = UINT_MAX;
844	844	q->limits.max_segments = BIO_MAX_PAGES;
845	845	q->limits.max_discard_sectors = UINT_MAX;
	846	+ q->limits.discard_granularity = 512;
846	847	q->limits.io_min = block_size;
847	848	q->limits.logical_block_size = block_size;
848	849	q->limits.physical_block_size = block_size;