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authorChristoph Hellwig <hch@lst.de>2024-07-01 07:17:51 +0200
committerJens Axboe <axboe@kernel.dk>2024-07-01 06:52:42 -0600
commit37105615f73125cb0466c09796f277a4c46d9295 (patch)
tree6ee5da5a05f2c7c1ab2f4121c16c2e34fc5b96a0
parentf62e8edc0a9fda84fe5bf32d5f5874b489d6c301 (diff)
block: don't reduce max_sectors based on io_opt
Don't reduce the max_sectors value below the normal cap when the driver advertsizes a very low io_opt. This restores the behavior we had before the recent changes to the max_sectors calculation. Signed-off-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Chaitanya Kulkarni <kch@nvidia.com> Reviewed-by: Sagi Grimberg <sagi@grimberg.me> Reviewed-by: Nitesh Shetty <nj.shetty@samsung.com> Reviewed-by: Johannes Thumshirn <johannes.thumshirn@wdc.com> Link: https://lore.kernel.org/r/20240701051800.1245240-3-hch@lst.de Signed-off-by: Jens Axboe <axboe@kernel.dk>
-rw-r--r--block/blk-settings.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/block/blk-settings.c b/block/blk-settings.c
index ff8bbc101fed..9fa4eed4df06 100644
--- a/block/blk-settings.c
+++ b/block/blk-settings.c
@@ -276,7 +276,7 @@ static int blk_validate_limits(struct queue_limits *lim)
if (lim->max_user_sectors < PAGE_SIZE / SECTOR_SIZE)
return -EINVAL;
lim->max_sectors = min(max_hw_sectors, lim->max_user_sectors);
- } else if (lim->io_opt) {
+ } else if (lim->io_opt > (BLK_DEF_MAX_SECTORS_CAP << SECTOR_SHIFT)) {
lim->max_sectors =
min(max_hw_sectors, lim->io_opt >> SECTOR_SHIFT);
} else if (lim->io_min > (BLK_DEF_MAX_SECTORS_CAP << SECTOR_SHIFT)) {