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nilfs2: Convert to properly refcounting bdi 

Similarly to set_bdev_super() NILFS2 just used block device reference to
bdi. Convert it to properly getting bdi reference. The reference will
get automatically dropped on superblock destruction.

CC: linux-nilfs@vger.kernel.org
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Jan Kara <jack@suse.cz>
Acked-by: Ryusuke Konishi <konishi.ryusuke@lab.ntt.co.jp>
Signed-off-by: Jens Axboe <axboe@fb.com>
This commit is contained in:
Jan Kara 2017-04-12 12:24:43 +02:00 committed by Jens Axboe
parent 95fe66de9f
commit 0546c537b1
1 changed files with 2 additions and 1 deletions
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3
fs/nilfs2/super.c
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@ -1068,7 +1068,8 @@ nilfs_fill_super(struct super_block *sb, void *data, int silent)
sb->s_time_gran = 1;
sb->s_max_links = NILFS_LINK_MAX;
sb->s_bdi = bdev_get_queue(sb->s_bdev)->backing_dev_info;
sb->s_bdi = bdi_get(sb->s_bdev->bd_bdi);
sb->s_iflags |= SB_I_DYNBDI;
err = load_nilfs(nilfs, sb);
if (err)