[PATCH 3/6] direct-io: add support for write stream IDs

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Get the streamid from the file, if any, and set it on the bio.

Signed-off-by: Jens Axboe <axboe@xxxxxx>
---
 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;
 
 	sdio.get_block = get_block;
 	dio->end_io = end_io;
-- 
1.9.1

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