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authorChristoph Hellwig <hch@lst.de>2022-04-15 06:52:56 +0200
committerJens Axboe <axboe@kernel.dk>2022-04-17 19:49:59 -0600
commit7b47ef52d0a2025fd1408a8a0990933b8e1e510f (patch)
tree7df157ba434f0911852a57837610cc4f8e28b70f /block/blk-lib.c
parent70200574cc229f6ba038259e8142af2aa09e6976 (diff)
block: add a bdev_discard_granularity helper
Abstract away implementation details from file systems by providing a block_device based helper to retrieve the discard granularity. Signed-off-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Martin K. Petersen <martin.petersen@oracle.com> Acked-by: Christoph Böhmwalder <christoph.boehmwalder@linbit.com> [drbd] Acked-by: Ryusuke Konishi <konishi.ryusuke@gmail.com> Acked-by: David Sterba <dsterba@suse.com> [btrfs] Link: https://lore.kernel.org/r/20220415045258.199825-26-hch@lst.de Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'block/blk-lib.c')
-rw-r--r--block/blk-lib.c5
1 files changed, 2 insertions, 3 deletions
diff --git a/block/blk-lib.c b/block/blk-lib.c
index 8b4b66d3a9bf..43aa4d7fe859 100644
--- a/block/blk-lib.c
+++ b/block/blk-lib.c
@@ -12,8 +12,7 @@
static sector_t bio_discard_limit(struct block_device *bdev, sector_t sector)
{
- unsigned int discard_granularity =
- bdev_get_queue(bdev)->limits.discard_granularity;
+ unsigned int discard_granularity = bdev_discard_granularity(bdev);
sector_t granularity_aligned_sector;
if (bdev_is_partition(bdev))
@@ -59,7 +58,7 @@ int __blkdev_issue_discard(struct block_device *bdev, sector_t sector,
}
/* In case the discard granularity isn't set by buggy device driver */
- if (WARN_ON_ONCE(!q->limits.discard_granularity)) {
+ if (WARN_ON_ONCE(!bdev_discard_granularity(bdev))) {
char dev_name[BDEVNAME_SIZE];
bdevname(bdev, dev_name);