[PATCH 8/9] btrfs: add support for passing in write hints for buffered writes
From: Jens Axboe <axboe@kernel.dk>
Date: 2017-06-21 00:22:21
Also in:
linux-fsdevel, linux-nvme
Subsystem:
btrfs file system, filesystems (vfs and infrastructure), the rest · Maintainers:
Chris Mason, David Sterba, Alexander Viro, Christian Brauner, Linus Torvalds
Reviewed-by: Andreas Dilger <redacted> Signed-off-by: Chris Mason <clm@fb.com> Signed-off-by: Jens Axboe <axboe@kernel.dk> --- fs/btrfs/extent_io.c | 1 + 1 file changed, 1 insertion(+)
diff --git a/fs/btrfs/extent_io.c b/fs/btrfs/extent_io.c
index 19eedf2e630b..3e57cfaa6dd6 100644
--- a/fs/btrfs/extent_io.c
+++ b/fs/btrfs/extent_io.c@@ -2830,6 +2830,7 @@ static int submit_extent_page(int op, int op_flags, struct extent_io_tree *tree, bio_add_page(bio, page, page_size, offset); bio->bi_end_io = end_io_func; bio->bi_private = tree; + op_flags |= write_hint_to_opf(inode_write_hint(page->mapping->host)); bio_set_op_attrs(bio, op, op_flags); if (wbc) { wbc_init_bio(wbc, bio);
--
2.7.4