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block: rename and document BLK_DEF_MAX_SECTORS

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Give BLK_DEF_MAX_SECTORS a _CAP postfix and document what it is used for.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Link: https://lore.kernel.org/r/20231227092305.279567-5-hch@lst.de
Signed-off-by: Jens Axboe <axboe@kernel.dk>
This commit is contained in:
Christoph Hellwig
2023-12-27 09:23:05 +00:00
committed by Jens Axboe
parent 3d77976c3a
commit d6b9f4e6f7
4 changed files with 11 additions and 4 deletions
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2
block/blk-settings.c
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@@ -139,7 +139,7 @@ void blk_queue_max_hw_sectors(struct request_queue *q, unsigned int max_hw_secto
if (limits->max_user_sectors)
max_sectors = min(max_sectors, limits->max_user_sectors);
else
max_sectors = min(max_sectors, BLK_DEF_MAX_SECTORS);
max_sectors = min(max_sectors, BLK_DEF_MAX_SECTORS_CAP);
max_sectors = round_down(max_sectors,
limits->logical_block_size >> SECTOR_SHIFT);

2
block/blk-sysfs.c
View File

@@ -241,7 +241,7 @@ queue_max_sectors_store(struct request_queue *q, const char *page, size_t count)
if (max_sectors_kb == 0) {
q->limits.max_user_sectors = 0;
max_sectors_kb = min(max_hw_sectors_kb,
BLK_DEF_MAX_SECTORS >> 1);
BLK_DEF_MAX_SECTORS_CAP >> 1);
} else {
if (max_sectors_kb > max_hw_sectors_kb ||
max_sectors_kb < page_kb)