From: Mike Christie <[email protected]>

This patch has xfs use bio->bi_op for REQ_OPs and rq_flag_bits to bio->bi_rw.

Signed-off-by: Mike Christie <[email protected]>
Reviewed-by: Christoph Hellwig <[email protected]>
Acked-by: Dave Chinner <[email protected]>
---
 fs/xfs/xfs_aops.c |  3 +--
 fs/xfs/xfs_buf.c  | 27 +++++++++++++++------------
 2 files changed, 16 insertions(+), 14 deletions(-)

diff --git a/fs/xfs/xfs_aops.c b/fs/xfs/xfs_aops.c
index 5852c5a..6c20336 100644
--- a/fs/xfs/xfs_aops.c
+++ b/fs/xfs/xfs_aops.c
@@ -439,10 +439,9 @@ xfs_submit_ioend(
 
        ioend->io_bio->bi_private = ioend;
        ioend->io_bio->bi_end_io = xfs_end_bio;
+       ioend->io_bio->bi_op = REQ_OP_WRITE;
        if (wbc->sync_mode)
                ioend->io_bio->bi_rw = WRITE_SYNC;
-       else
-               ioend->io_bio->bi_rw = WRITE;
        /*
         * If we are failing the IO now, just mark the ioend with an
         * error and finish it. This will run IO completion immediately
diff --git a/fs/xfs/xfs_buf.c b/fs/xfs/xfs_buf.c
index 079bb77..917774e 100644
--- a/fs/xfs/xfs_buf.c
+++ b/fs/xfs/xfs_buf.c
@@ -1131,7 +1131,8 @@ xfs_buf_ioapply_map(
        int             map,
        int             *buf_offset,
        int             *count,
-       int             rw)
+       int             op,
+       int             op_flags)
 {
        int             page_index;
        int             total_nr_pages = bp->b_page_count;
@@ -1170,7 +1171,8 @@ next_chunk:
        bio->bi_iter.bi_sector = sector;
        bio->bi_end_io = xfs_buf_bio_end_io;
        bio->bi_private = bp;
-       bio->bi_rw = rw;
+       bio->bi_op = op;
+       bio->bi_rw = op_flags;
 
        for (; size && nr_pages; nr_pages--, page_index++) {
                int     rbytes, nbytes = PAGE_SIZE - offset;
@@ -1214,7 +1216,8 @@ _xfs_buf_ioapply(
        struct xfs_buf  *bp)
 {
        struct blk_plug plug;
-       int             rw;
+       int             op;
+       int             op_flags = 0;
        int             offset;
        int             size;
        int             i;
@@ -1233,14 +1236,13 @@ _xfs_buf_ioapply(
                bp->b_ioend_wq = bp->b_target->bt_mount->m_buf_workqueue;
 
        if (bp->b_flags & XBF_WRITE) {
+               op = REQ_OP_WRITE;
                if (bp->b_flags & XBF_SYNCIO)
-                       rw = WRITE_SYNC;
-               else
-                       rw = WRITE;
+                       op_flags = WRITE_SYNC;
                if (bp->b_flags & XBF_FUA)
-                       rw |= REQ_FUA;
+                       op_flags |= REQ_FUA;
                if (bp->b_flags & XBF_FLUSH)
-                       rw |= REQ_FLUSH;
+                       op_flags |= REQ_FLUSH;
 
                /*
                 * Run the write verifier callback function if it exists. If
@@ -1270,13 +1272,14 @@ _xfs_buf_ioapply(
                        }
                }
        } else if (bp->b_flags & XBF_READ_AHEAD) {
-               rw = READA;
+               op = REQ_OP_READ;
+               op_flags = REQ_RAHEAD;
        } else {
-               rw = READ;
+               op = REQ_OP_READ;
        }
 
        /* we only use the buffer cache for meta-data */
-       rw |= REQ_META;
+       op_flags |= REQ_META;
 
        /*
         * Walk all the vectors issuing IO on them. Set up the initial offset
@@ -1288,7 +1291,7 @@ _xfs_buf_ioapply(
        size = BBTOB(bp->b_io_length);
        blk_start_plug(&plug);
        for (i = 0; i < bp->b_map_count; i++) {
-               xfs_buf_ioapply_map(bp, i, &offset, &size, rw);
+               xfs_buf_ioapply_map(bp, i, &offset, &size, op, op_flags);
                if (bp->b_error)
                        break;
                if (size <= 0)
-- 
2.7.2


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