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block: remove block_device_operations ->direct_access()

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Now that all the producers and consumers of dax interfaces have been
converted to using dax_operations on a dax_device, remove the block
device direct_access enabling.

Signed-off-by: Dan Williams <dan.j.williams@intel.com>
This commit is contained in:
Dan Williams
2017-01-27 17:22:03 -08:00
parent 2093f2e9df
commit d4b29fd78e
7 changed files with 4 additions and 135 deletions
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drivers/block/brd.c
-15
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@@ -395,18 +395,6 @@ static long __brd_direct_access(struct brd_device *brd, pgoff_t pgoff,
return 1;
}
static long brd_blk_direct_access(struct block_device *bdev, sector_t sector,
void **kaddr, pfn_t *pfn, long size)
{
struct brd_device *brd = bdev->bd_disk->private_data;
long nr_pages = __brd_direct_access(brd, PHYS_PFN(sector * 512),
PHYS_PFN(size), kaddr, pfn);
if (nr_pages < 0)
return nr_pages;
return nr_pages * PAGE_SIZE;
}
static long brd_dax_direct_access(struct dax_device *dax_dev,
pgoff_t pgoff, long nr_pages, void **kaddr, pfn_t *pfn)
{
@@ -418,14 +406,11 @@ static long brd_dax_direct_access(struct dax_device *dax_dev,
static const struct dax_operations brd_dax_ops = {
.direct_access = brd_dax_direct_access,
};
#else
#define brd_blk_direct_access NULL
#endif
static const struct block_device_operations brd_fops = {
.owner = THIS_MODULE,
.rw_page = brd_rw_page,
.direct_access = brd_blk_direct_access,
};
/*