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authorVivek Goyal <vgoyal@redhat.com>2020-02-28 19:34:56 +0300
committerDan Williams <dan.j.williams@intel.com>2020-04-03 05:15:03 +0300
commit4f3b4f161d7a070d2181dbcf7fbd97c7631d5c24 (patch)
tree21bbf50c24f916831cfc041fcbcc17aa42dca1d9 /fs/iomap/buffered-io.c
parent0a23f9ffa5ac20d3c95a6e850f4ee68e4034f781 (diff)
downloadlinux-4f3b4f161d7a070d2181dbcf7fbd97c7631d5c24.tar.xz
dax,iomap: Add helper dax_iomap_zero() to zero a range
Add a helper dax_ioamp_zero() to zero a range. This patch basically merges __dax_zero_page_range() and iomap_dax_zero(). Suggested-by: Christoph Hellwig <hch@infradead.org> Signed-off-by: Vivek Goyal <vgoyal@redhat.com> Reviewed-by: Christoph Hellwig <hch@lst.de> Link: https://lore.kernel.org/r/20200228163456.1587-7-vgoyal@redhat.com Signed-off-by: Dan Williams <dan.j.williams@intel.com>
Diffstat (limited to 'fs/iomap/buffered-io.c')
-rw-r--r--fs/iomap/buffered-io.c9
1 files changed, 1 insertions, 8 deletions
diff --git a/fs/iomap/buffered-io.c b/fs/iomap/buffered-io.c
index 7c84c4c027c4..6f750da545e5 100644
--- a/fs/iomap/buffered-io.c
+++ b/fs/iomap/buffered-io.c
@@ -974,13 +974,6 @@ static int iomap_zero(struct inode *inode, loff_t pos, unsigned offset,
return iomap_write_end(inode, pos, bytes, bytes, page, iomap, srcmap);
}
-static int iomap_dax_zero(loff_t pos, unsigned offset, unsigned bytes,
- struct iomap *iomap)
-{
- return __dax_zero_page_range(iomap->bdev, iomap->dax_dev,
- iomap_sector(iomap, pos & PAGE_MASK), offset, bytes);
-}
-
static loff_t
iomap_zero_range_actor(struct inode *inode, loff_t pos, loff_t count,
void *data, struct iomap *iomap, struct iomap *srcmap)
@@ -1000,7 +993,7 @@ iomap_zero_range_actor(struct inode *inode, loff_t pos, loff_t count,
bytes = min_t(loff_t, PAGE_SIZE - offset, count);
if (IS_DAX(inode))
- status = iomap_dax_zero(pos, offset, bytes, iomap);
+ status = dax_iomap_zero(pos, offset, bytes, iomap);
else
status = iomap_zero(inode, pos, offset, bytes, iomap,
srcmap);