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| author |   Vivek Goyal <vgoyal@redhat.com> | 2020-02-28 11:34:56 -0500 |
|---|---|---|
| committer |   Dan Williams <dan.j.williams@intel.com> | 2020-04-02 19:15:03 -0700 |
| commit | 4f3b4f161d7a070d2181dbcf7fbd97c7631d5c24 (patch) | |
| tree | 21bbf50c24f916831cfc041fcbcc17aa42dca1d9 /fs/iomap | |
| parent | dax: Use new dax zero page method for zeroing a page (diff) | |
| download | wireguard-linux-4f3b4f161d7a070d2181dbcf7fbd97c7631d5c24.tar.xz wireguard-linux-4f3b4f161d7a070d2181dbcf7fbd97c7631d5c24.zip | |
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')
| -rw-r--r-- | fs/iomap/buffered-io.c | 9 |
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); |