[PATCH block/for-next v2 12/16] gfs2: use new helper to get inode from block_device

[Yu Kuai <yukuai1@xxxxxxxxxxxxxxx>]

From: Yu Kuai <yukuai3@xxxxxxxxxx>

Which is more efficiency, and also prepare to remove the field
'bd_inode' from block_device.

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 d6bf1f8c25dc..ec6394544ebb 100644
--- a/fs/gfs2/glock.c
+++ b/fs/gfs2/glock.c
@@ -1210,7 +1210,7 @@ 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;
+               mapping->host = bdev_inode(s->s_bdev);
                mapping->flags = 0;
                mapping_set_gfp_mask(mapping, GFP_NOFS);
                mapping->private_data = NULL;
diff --git a/fs/gfs2/ops_fstype.c b/fs/gfs2/ops_fstype.c
index b108c5d26839..dfc4735cfd54 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;
+       mapping->host = bdev_inode(sb->s_bdev);
        mapping->flags = 0;
        mapping_set_gfp_mask(mapping, GFP_NOFS);
        mapping->private_data = NULL;
-- 
2.39.2