[PATCH 21/27] block: move {bdev,queue_limit}_discard_alignment out of line

[Christoph Hellwig <hch@xxxxxx>]

No need to inline these fairly larger helpers.  Also fix the return value
to be unsigned, just like the field in struct queue_limits.

Signed-off-by: Christoph Hellwig <hch@xxxxxx>
---
 block/blk-settings.c   | 35 +++++++++++++++++++++++++++++++++++
 include/linux/blkdev.h | 34 +---------------------------------
 2 files changed, 36 insertions(+), 33 deletions(-)

diff --git a/block/blk-settings.c b/block/blk-settings.c
index 94410a13c0dee..fd83d674afd0a 100644
--- a/block/blk-settings.c
+++ b/block/blk-settings.c
@@ -478,6 +478,30 @@ static int queue_limit_alignment_offset(struct 
queue_limits *lim,
        return (granularity + lim->alignment_offset - alignment) % granularity;
 }
 
+static unsigned int queue_limit_discard_alignment(struct queue_limits *lim,
+               sector_t sector)
+{
+       unsigned int alignment, granularity, offset;
+
+       if (!lim->max_discard_sectors)
+               return 0;
+
+       /* Why are these in bytes, not sectors? */
+       alignment = lim->discard_alignment >> SECTOR_SHIFT;
+       granularity = lim->discard_granularity >> SECTOR_SHIFT;
+       if (!granularity)
+               return 0;
+
+       /* Offset of the partition start in 'granularity' sectors */
+       offset = sector_div(sector, granularity);
+
+       /* And why do we do this modulus *again* in blkdev_issue_discard()? */
+       offset = (granularity + alignment - offset) % granularity;
+
+       /* Turn it back into bytes, gaah */
+       return offset << SECTOR_SHIFT;
+}
+
 static unsigned int blk_round_down_sectors(unsigned int sectors, unsigned int 
lbs)
 {
        sectors = round_down(sectors, lbs >> SECTOR_SHIFT);
@@ -924,3 +948,14 @@ int bdev_alignment_offset(struct block_device *bdev)
        return q->limits.alignment_offset;
 }
 EXPORT_SYMBOL_GPL(bdev_alignment_offset);
+
+unsigned int bdev_discard_alignment(struct block_device *bdev)
+{
+       struct request_queue *q = bdev_get_queue(bdev);
+
+       if (bdev_is_partition(bdev))
+               return queue_limit_discard_alignment(&q->limits,
+                               bdev->bd_start_sect);
+       return q->limits.discard_alignment;
+}
+EXPORT_SYMBOL_GPL(bdev_discard_alignment);
diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h
index 5a9b7aeda010b..34b1cfd067421 100644
--- a/include/linux/blkdev.h
+++ b/include/linux/blkdev.h
@@ -1252,39 +1252,7 @@ bdev_zone_write_granularity(struct block_device *bdev)
 }
 
 int bdev_alignment_offset(struct block_device *bdev);
-
-static inline int queue_limit_discard_alignment(struct queue_limits *lim, 
sector_t sector)
-{
-       unsigned int alignment, granularity, offset;
-
-       if (!lim->max_discard_sectors)
-               return 0;
-
-       /* Why are these in bytes, not sectors? */
-       alignment = lim->discard_alignment >> SECTOR_SHIFT;
-       granularity = lim->discard_granularity >> SECTOR_SHIFT;
-       if (!granularity)
-               return 0;
-
-       /* Offset of the partition start in 'granularity' sectors */
-       offset = sector_div(sector, granularity);
-
-       /* And why do we do this modulus *again* in blkdev_issue_discard()? */
-       offset = (granularity + alignment - offset) % granularity;
-
-       /* Turn it back into bytes, gaah */
-       return offset << SECTOR_SHIFT;
-}
-
-static inline int bdev_discard_alignment(struct block_device *bdev)
-{
-       struct request_queue *q = bdev_get_queue(bdev);
-
-       if (bdev_is_partition(bdev))
-               return queue_limit_discard_alignment(&q->limits,
-                               bdev->bd_start_sect);
-       return q->limits.discard_alignment;
-}
+unsigned int bdev_discard_alignment(struct block_device *bdev);
 
 static inline unsigned int bdev_write_zeroes_sectors(struct block_device *bdev)
 {
-- 
2.30.2