On 2023/5/20 17:00, David Howells wrote:
Make a read splice from a DAX file go directly to copy_splice_read() to do the reading as filemap_splice_read() is unlikely to find any pagecache to splice. I think this affects only erofs, Ext2, Ext4, fuse and XFS. Signed-off-by: David Howells <dhowells@xxxxxxxxxx> cc: Christoph Hellwig <hch@xxxxxx> cc: Al Viro <viro@xxxxxxxxxxxxxxxxxx> cc: Jens Axboe <axboe@xxxxxxxxx> cc: linux-erofs@xxxxxxxxxxxxxxxx cc: linux-ext4@xxxxxxxxxxxxxxx cc: linux-xfs@xxxxxxxxxxxxxxx cc: linux-fsdevel@xxxxxxxxxxxxxxx cc: linux-block@xxxxxxxxxxxxxxx cc: linux-mm@xxxxxxxxx
Reviewed-by: Gao Xiang <hsiangkao@xxxxxxxxxxxxxxxxx> Thanks, Gao Xiang
