[PATCH -next RFC 13/14] gfs2: use bdev api

[Yu Kuai <yukuai1@xxxxxxxxxxxxxxx>]

From: Yu Kuai <yukuai3@xxxxxxxxxx>

Avoid to access bd_inode directly, prepare to remove bd_inode from
block_devcie.

Signed-off-by: Yu Kuai <yukuai3@xxxxxxxxxx>
---
 fs/gfs2/glock.c      | 2 +-
 fs/gfs2/ops_fstype.c | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/fs/gfs2/glock.c b/fs/gfs2/glock.c
index f28c67181230..c66b0ed07e15 100644
--- a/fs/gfs2/glock.c
+++ b/fs/gfs2/glock.c
@@ -1227,7 +1227,7 @@ int gfs2_glock_get(struct gfs2_sbd *sdp, u64 number,
        mapping = gfs2_glock2aspace(gl);
        if (mapping) {
                 mapping->a_ops = &gfs2_meta_aops;
-               mapping->host = s->s_bdev->bd_inode;
+               bdev_correlate_mapping(s->s_bdev, mapping);
                mapping->flags = 0;
                mapping_set_gfp_mask(mapping, GFP_NOFS);
                mapping->i_private_data = NULL;
diff --git a/fs/gfs2/ops_fstype.c b/fs/gfs2/ops_fstype.c
index 00ce89bdf32c..3145a56c88cb 100644
--- a/fs/gfs2/ops_fstype.c
+++ b/fs/gfs2/ops_fstype.c
@@ -114,7 +114,7 @@ static struct gfs2_sbd *init_sbd(struct super_block *sb)
 
        address_space_init_once(mapping);
        mapping->a_ops = &gfs2_rgrp_aops;
-       mapping->host = sb->s_bdev->bd_inode;
+       bdev_correlate_mapping(sb->s_bdev, mapping);
        mapping->flags = 0;
        mapping_set_gfp_mask(mapping, GFP_NOFS);
        mapping->i_private_data = NULL;
-- 
2.39.2