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filesystem-dax: convert to dax_copy_from_iter()

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Now that all possible providers of the dax_operations copy_from_iter
method are implemented, switch filesytem-dax to call the driver rather
than copy_to_iter_pmem.

Reviewed-by: Jan Kara <jack@suse.cz>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
This commit is contained in:
Dan Williams
2017-05-29 21:56:49 -07:00
parent 7e026c8c0a
commit fec53774fd
3 changed files with 2 additions and 75 deletions
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3
fs/dax.c
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@ -1054,7 +1054,8 @@ dax_iomap_actor(struct inode *inode, loff_t pos, loff_t length, void *data,
map_len = end - pos;
if (iov_iter_rw(iter) == WRITE)
map_len = copy_from_iter_pmem(kaddr, map_len, iter);
map_len = dax_copy_from_iter(dax_dev, pgoff, kaddr,
map_len, iter);
else
map_len = copy_to_iter(kaddr, map_len, iter);
if (map_len <= 0) {