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dax: don't pass buffer_head to dax_insert_mapping

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This way we can use this helper for the iomap based DAX implementation
as well.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Ross Zwisler <ross.zwisler@linux.intel.com>
Signed-off-by: Dave Chinner <david@fromorbit.com>
This commit is contained in:
Christoph Hellwig 2016-09-19 11:24:49 +10:00 committed by Dave Chinner
parent befb503ca6
commit 1aaba0958e
1 changed files with 6 additions and 6 deletions
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12
fs/dax.c
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@ -790,14 +790,13 @@ int dax_writeback_mapping_range(struct address_space *mapping,
EXPORT_SYMBOL_GPL(dax_writeback_mapping_range);
static int dax_insert_mapping(struct address_space *mapping,
struct buffer_head *bh, void **entryp,
struct vm_area_struct *vma, struct vm_fault *vmf)
struct block_device *bdev, sector_t sector, size_t size,
void **entryp, struct vm_area_struct *vma, struct vm_fault *vmf)
{
unsigned long vaddr = (unsigned long)vmf->virtual_address;
struct block_device *bdev = bh->b_bdev;
struct blk_dax_ctl dax = {
.sector = to_sector(bh, mapping->host),
.size = bh->b_size,
.sector = sector,
.size = size,
};
void *ret;
void *entry = *entryp;
@ -898,7 +897,8 @@ int dax_fault(struct vm_area_struct *vma, struct vm_fault *vmf,
/* Filesystem should not return unwritten buffers to us! */
WARN_ON_ONCE(buffer_unwritten(&bh) || buffer_new(&bh));
error = dax_insert_mapping(mapping, &bh, &entry, vma, vmf);
error = dax_insert_mapping(mapping, bh.b_bdev, to_sector(&bh, inode),
bh.b_size, &entry, vma, vmf);
unlock_entry:
put_locked_mapping_entry(mapping, vmf->pgoff, entry);
out: