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authorJens Axboe <axboe@kernel.dk>2017-06-27 11:51:28 -0600
committerJens Axboe <axboe@kernel.dk>2017-06-27 12:05:52 -0600
commite6959b9350c6135b260d7b561153d9ad6c5d49ff (patch)
tree71a2e4ea750967c1bc96f3d770e0b1dd7f09b0af /fs
parent31d7d58dcc228004fcd360448004e999d0bfb8f1 (diff)
downloadlinux-e6959b9350c6135b260d7b561153d9ad6c5d49ff.tar.bz2
btrfs: add support for passing in write hints for buffered writes
Reviewed-by: Andreas Dilger <adilger@dilger.ca> Signed-off-by: Chris Mason <clm@fb.com> Reviewed-by: Martin K. Petersen <martin.petersen@oracle.com> Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'fs')
-rw-r--r--fs/btrfs/extent_io.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/fs/btrfs/extent_io.c b/fs/btrfs/extent_io.c
index 19eedf2e630b..d1cd60140817 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;
+ bio->bi_write_hint = page->mapping->host->i_write_hint;
bio_set_op_attrs(bio, op, op_flags);
if (wbc) {
wbc_init_bio(wbc, bio);