On Tue, Mar 24, 2015 at 09:27:00AM -0600, Jens Axboe wrote: > Get the streamid from the file, if any, and set it on the bio. > > Signed-off-by: Jens Axboe <ax...@fb.com> > --- > fs/direct-io.c | 4 ++++ > 1 file changed, 4 insertions(+) > > diff --git a/fs/direct-io.c b/fs/direct-io.c > index e181b6b2e297..5d2750346451 100644 > --- a/fs/direct-io.c > +++ b/fs/direct-io.c > @@ -77,6 +77,7 @@ struct dio_submit { > int reap_counter; /* rate limit reaping */ > sector_t final_block_in_request;/* doesn't change */ > int boundary; /* prev block is at a boundary */ > + int streamid; /* Write stream ID */ > get_block_t *get_block; /* block mapping function */ > dio_submit_t *submit_io; /* IO submition function */ > > @@ -372,6 +373,8 @@ dio_bio_alloc(struct dio *dio, struct dio_submit *sdio, > > sdio->bio = bio; > sdio->logical_offset_in_bio = sdio->cur_page_fs_offset; > + > + bio_set_streamid(bio, sdio->streamid); > } > > /* > @@ -1205,6 +1208,7 @@ do_blockdev_direct_IO(int rw, struct kiocb *iocb, > struct inode *inode, > sdio.blkbits = blkbits; > sdio.blkfactor = i_blkbits - blkbits; > sdio.block_in_file = offset >> blkbits; > + sdio.streamid = iocb->ki_filp->f_streamid;
If iocb->ki_filp->f_streamid is not set, then it should fall back to whatever is set on the inode->i_streamid. Cheers, Dave. -- Dave Chinner da...@fromorbit.com -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/