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Commit 5dee2477 authored by Martin K. Petersen's avatar Martin K. Petersen Committed by Jens Axboe
Browse files

block: Do not clamp max_hw_sectors for stacking devices 



Stacking devices do not have an inherent max_hw_sector limit.  Set the
default to INT_MAX so we are bounded only by capabilities of the
underlying storage.

Signed-off-by: default avatarMartin K. Petersen <martin.petersen@oracle.com>
Signed-off-by: default avatarJens Axboe <jens.axboe@oracle.com>
parent 80ddf247

block/blk-settings.c

+2 −1
Original line number Original line Diff line number Diff line
@@ -111,7 +111,8 @@ void blk_set_default_limits(struct queue_limits *lim) 
	lim->max_hw_segments = MAX_HW_SEGMENTS;

	lim->max_hw_segments = MAX_HW_SEGMENTS;

	lim->seg_boundary_mask = BLK_SEG_BOUNDARY_MASK;

	lim->seg_boundary_mask = BLK_SEG_BOUNDARY_MASK;

	lim->max_segment_size = MAX_SEGMENT_SIZE;

	lim->max_segment_size = MAX_SEGMENT_SIZE;

	lim->max_sectors = lim->max_hw_sectors = BLK_DEF_MAX_SECTORS;

	lim->max_sectors = BLK_DEF_MAX_SECTORS;

	lim->max_hw_sectors = INT_MAX;

	lim->logical_block_size = lim->physical_block_size = lim->io_min = 512;

	lim->logical_block_size = lim->physical_block_size = lim->io_min = 512;

	lim->bounce_pfn = (unsigned long)(BLK_BOUNCE_ANY >> PAGE_SHIFT);

	lim->bounce_pfn = (unsigned long)(BLK_BOUNCE_ANY >> PAGE_SHIFT);

	lim->alignment_offset = 0;

	lim->alignment_offset = 0;