> -----Original Message----- > From: Jens Axboe [mailto:axboe@xxxxxx] > Sent: Wednesday, March 25, 2015 8:08 AM > To: linux-kernel@xxxxxxxxxxxxxxx; linux-fsdevel@xxxxxxxxxxxxxxx > Cc: Ming Lin-SSI; david@xxxxxxxxxxxxx; Jens Axboe > Subject: [PATCH 7/7] ext4: add support for write stream IDs > > Signed-off-by: Jens Axboe <axboe@xxxxxx> > --- > fs/ext4/page-io.c | 1 + > 1 file changed, 1 insertion(+) > > diff --git a/fs/ext4/page-io.c b/fs/ext4/page-io.c index > b24a2541a9ba..f642d0b87a32 100644 > --- a/fs/ext4/page-io.c > +++ b/fs/ext4/page-io.c > @@ -390,6 +390,7 @@ submit_and_retry: > ret = io_submit_init_bio(io, bh); > if (ret) > return ret; > + bio_set_streamid(io->io_bio, inode_streamid(inode)); For "writeback" and "ordered" journal mode, it should be OK. But for "journal" journal mode, Step1: data written to journal Step2: data written from journal to fs Do we need other code to carry stream_id in step2? Thanks, Ming > } > ret = bio_add_page(io->io_bio, bh->b_page, bh->b_size, > bh_offset(bh)); > if (ret != bh->b_size) > -- > 1.9.1 -- To unsubscribe from this list: send the line "unsubscribe linux-fsdevel" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html