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[11/12] btrfs: add support for passing in write hints for buffered writes

Message ID 1497544930-19174-12-git-send-email-axboe@kernel.dk (mailing list archive)
State New, archived
Headers show

Commit Message

Jens Axboe June 15, 2017, 4:42 p.m. UTC 
Reviewed-by: Andreas Dilger <adilger@dilger.ca>
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(+)
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Patch

diff --git a/fs/btrfs/extent_io.c b/fs/btrfs/extent_io.c
index d3619e010005..2bc2dfca87c2 100644
--- a/fs/btrfs/extent_io.c
+++ b/fs/btrfs/extent_io.c
@@ -2826,6 +2826,7 @@  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 |= bio_op_write_hint(inode_write_hint(page->mapping->host));
 	bio_set_op_attrs(bio, op, op_flags);
 	if (wbc) {
 		wbc_init_bio(wbc, bio);