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authorChristoph Hellwig2022-04-15 06:52:47 +0200
committerJens Axboe2022-04-17 19:49:59 -0600
commit64dcc7c2717395b7c83ffb10f040d3be795d03c1 (patch)
tree0895fe0cbbcc8241b1eac7b943e6759e9e3df5bd
parent2aba0d19f4d8c8929b4b3b94a9cfde2aa20e6ee2 (diff)
block: use bdev_alignment_offset in part_alignment_offset_show
Replace the open coded offset calculation with the proper helper. This is an ABI change in that the -1 for a misaligned partition is properly propagated, which can be considered a bug fix and matches what is done on the whole device. Signed-off-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Martin K. Petersen <martin.petersen@oracle.com> Reviewed-by: Chaitanya Kulkarni <kch@nvidia.com> Link: https://lore.kernel.org/r/20220415045258.199825-17-hch@lst.de Signed-off-by: Jens Axboe <axboe@kernel.dk>
-rw-r--r--block/partitions/core.c6
1 files changed, 1 insertions, 5 deletions
diff --git a/block/partitions/core.c b/block/partitions/core.c
index 2ef8dfa1e5c8..240b3fff521e 100644
--- a/block/partitions/core.c
+++ b/block/partitions/core.c
@@ -200,11 +200,7 @@ static ssize_t part_ro_show(struct device *dev,
static ssize_t part_alignment_offset_show(struct device *dev,
struct device_attribute *attr, char *buf)
{
- struct block_device *bdev = dev_to_bdev(dev);
-
- return sprintf(buf, "%u\n",
- queue_limit_alignment_offset(&bdev_get_queue(bdev)->limits,
- bdev->bd_start_sect));
+ return sprintf(buf, "%u\n", bdev_alignment_offset(dev_to_bdev(dev)));
}
static ssize_t part_discard_alignment_show(struct device *dev,