diff options
Diffstat (limited to 'fs/xfs/xfs_buf.h')
| -rw-r--r-- | fs/xfs/xfs_buf.h | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/fs/xfs/xfs_buf.h b/fs/xfs/xfs_buf.h index cfbe37d73293..37c9004f11de 100644 --- a/fs/xfs/xfs_buf.h +++ b/fs/xfs/xfs_buf.h @@ -133,7 +133,12 @@ struct xfs_buf { * fast-path on locking. */ struct rhash_head b_rhash_head; /* pag buffer hash node */ - xfs_daddr_t b_bn; /* block number of buffer */ + + /* + * b_bn is the cache index. Do not use directly, use b_maps[0].bm_bn + * for the buffer disk address instead. + */ + xfs_daddr_t b_bn; int b_length; /* size of buffer in BBs */ atomic_t b_hold; /* reference count */ atomic_t b_lru_ref; /* lru reclaim ref count */ |