diff options
| author | Jens Axboe <axboe@kernel.dk> | 2017-06-14 20:29:08 -0600 |
|---|---|---|
| committer | Jens Axboe <axboe@fb.com> | 2017-06-17 13:57:08 -0600 |
| commit | 2526f8cdc69299cf149b3ab24a52478d8f6522e9 (patch) | |
| tree | 457dd570e48cefbe9ec7a2b8f0c77f1a578e9363 | |
| parent | 6f696c2b629c47cc0f78abca2529f1cb54eca2c3 (diff) | |
ext4: add support for passing in write hints for buffered writes
Reviewed-by: Andreas Dilger <adilger@dilger.ca>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
| -rw-r--r-- | fs/ext4/page-io.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/fs/ext4/page-io.c b/fs/ext4/page-io.c index 1a82138ba739..fbc04a8cb35a 100644 --- a/fs/ext4/page-io.c +++ b/fs/ext4/page-io.c @@ -349,6 +349,7 @@ void ext4_io_submit(struct ext4_io_submit *io) if (bio) { int io_op_flags = io->io_wbc->sync_mode == WB_SYNC_ALL ? REQ_SYNC : 0; + io_op_flags |= write_hint_to_opf(inode_write_hint(io->io_end->inode)); bio_set_op_attrs(io->io_bio, REQ_OP_WRITE, io_op_flags); submit_bio(io->io_bio); } @@ -396,6 +397,7 @@ submit_and_retry: ret = io_submit_init_bio(io, bh); if (ret) return ret; + io->io_bio->bi_opf |= write_hint_to_opf(inode_write_hint(inode)); } ret = bio_add_page(io->io_bio, page, bh->b_size, bh_offset(bh)); if (ret != bh->b_size) |