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authorChristoph Hellwig <hch@lst.de>2021-11-29 11:21:48 +0100
committerDan Williams <dan.j.williams@intel.com>2021-12-04 08:58:52 -0800
commit60696eb26a37ab0199f7833ddbc1b75138c36d16 (patch)
tree61e1603ff08e1f39bf0b6baa2425790ab060aa1e /drivers/dax
parent429f8de70d9872c5ca9b3914b3c4db5659779331 (diff)
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fsdax: simplify the pgoff calculation
Replace the two steps of dax_iomap_sector and bdev_dax_pgoff with a single dax_iomap_pgoff helper that avoids lots of cumbersome sector conversions. Signed-off-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Dan Williams <dan.j.williams@intel.com> Reviewed-by: Darrick J. Wong <djwong@kernel.org> Link: https://lore.kernel.org/r/20211129102203.2243509-15-hch@lst.de Signed-off-by: Dan Williams <dan.j.williams@intel.com>
Diffstat (limited to 'drivers/dax')
-rw-r--r--drivers/dax/super.c14
1 files changed, 0 insertions, 14 deletions
diff --git a/drivers/dax/super.c b/drivers/dax/super.c
index 90b5733f5a70..45d931aefd06 100644
--- a/drivers/dax/super.c
+++ b/drivers/dax/super.c
@@ -66,20 +66,6 @@ void dax_remove_host(struct gendisk *disk)
}
EXPORT_SYMBOL_GPL(dax_remove_host);
-int bdev_dax_pgoff(struct block_device *bdev, sector_t sector, size_t size,
- pgoff_t *pgoff)
-{
- sector_t start_sect = bdev ? get_start_sect(bdev) : 0;
- phys_addr_t phys_off = (start_sect + sector) * 512;
-
- if (pgoff)
- *pgoff = PHYS_PFN(phys_off);
- if (phys_off % PAGE_SIZE || size % PAGE_SIZE)
- return -EINVAL;
- return 0;
-}
-EXPORT_SYMBOL(bdev_dax_pgoff);
-
/**
* fs_dax_get_by_bdev() - temporary lookup mechanism for filesystem-dax
* @bdev: block device to find a dax_device for