[PATCH 15/25] exofs: Convert to separately allocated bdi

Allocate struct backing_dev_info separately instead of embedding it inside the superblock. This unifies handling of bdi among users. CC: Boaz Harrosh CC: Benny Halevy Acked-by: Boaz Harrosh Reviewed-by: Christoph Hellwig

Re: [PATCH 15/25] exofs: Convert to separately allocated bdi

Looks good, Reviewed-by: Christoph Hellwig