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ANDROID: block: Prepare for supporting sub-page limits

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Introduce variables that represent the lower configuration bounds. This
patch does not change any functionality.

Bug: 308663717
Bug: 319125789
Change-Id: Ia39fbe29a0711caba841a7b44d462608216841ec
Signed-off-by: Bart Van Assche <bvanassche@acm.org>
Signed-off-by: Juan Yescas <jyescas@google.com>
This commit is contained in:
Bart Van Assche
2023-06-12 13:33:08 -07:00
committed by Juan Yescas
parent f56ddffe05
commit 025c278e84
1 changed files with 7 additions and 4 deletions
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11
block/blk-settings.c
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@@ -126,10 +126,11 @@ EXPORT_SYMBOL(blk_queue_bounce_limit);
void blk_queue_max_hw_sectors(struct request_queue *q, unsigned int max_hw_sectors)
{
struct queue_limits *limits = &q->limits;
unsigned int min_max_hw_sectors = PAGE_SIZE >> SECTOR_SHIFT;
unsigned int max_sectors;
if ((max_hw_sectors << 9) < PAGE_SIZE) {
max_hw_sectors = 1 << (PAGE_SHIFT - 9);
if (max_hw_sectors < min_max_hw_sectors) {
max_hw_sectors = min_max_hw_sectors;
pr_info("set to minimum %u\n", max_hw_sectors);
}
@@ -279,8 +280,10 @@ EXPORT_SYMBOL_GPL(blk_queue_max_discard_segments);
**/
void blk_queue_max_segment_size(struct request_queue *q, unsigned int max_size)
{
if (max_size < PAGE_SIZE) {
max_size = PAGE_SIZE;
unsigned int min_max_segment_size = PAGE_SIZE;
if (max_size < min_max_segment_size) {
max_size = min_max_segment_size;
pr_info("set to minimum %u\n", max_size);
}