Use iomap infrastructure for zeroing blocks when in DAX mode. ext4_iomap_begin() handles read requests just fine and that's all that is needed for iomap_zero_range().
Signed-off-by: Jan Kara <[email protected]> --- fs/ext4/inode.c | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) diff --git a/fs/ext4/inode.c b/fs/ext4/inode.c index cc10145ea98b..ac26a390f14c 100644 --- a/fs/ext4/inode.c +++ b/fs/ext4/inode.c @@ -3844,8 +3844,10 @@ static int ext4_block_zero_page_range(handle_t *handle, if (length > max || length < 0) length = max; - if (IS_DAX(inode)) - return dax_zero_page_range(inode, from, length, ext4_get_block); + if (IS_DAX(inode)) { + return iomap_zero_range(inode, from, length, NULL, + &ext4_iomap_ops); + } return __ext4_block_zero_page_range(handle, mapping, from, length); } -- 2.6.6 _______________________________________________ Linux-nvdimm mailing list [email protected] https://lists.01.org/mailman/listinfo/linux-nvdimm
