diff options
Diffstat (limited to 'fs/xfs/xfs_buf_item.c')
| -rw-r--r-- | fs/xfs/xfs_buf_item.c | 14 |
1 files changed, 6 insertions, 8 deletions
diff --git a/fs/xfs/xfs_buf_item.c b/fs/xfs/xfs_buf_item.c index 45df2b857d48..52cd8f89ee72 100644 --- a/fs/xfs/xfs_buf_item.c +++ b/fs/xfs/xfs_buf_item.c @@ -240,15 +240,13 @@ xfs_buf_item_format( (bip->bli_flags & XFS_BLI_STALE)); /* - * The size of the base structure is the size of the - * declared structure plus the space for the extra words - * of the bitmap. We subtract one from the map size, because - * the first element of the bitmap is accounted for in the - * size of the base structure. + * Base size is the actual size of the ondisk structure - it reflects + * the actual size of the dirty bitmap rather than the size of the in + * memory structure. */ - base_size = - (uint)(sizeof(xfs_buf_log_format_t) + - ((bip->bli_format.blf_map_size - 1) * sizeof(uint))); + base_size = offsetof(struct xfs_buf_log_format, blf_data_map) + + (bip->bli_format.blf_map_size * + sizeof(bip->bli_format.blf_data_map[0])); vecp->i_addr = &bip->bli_format; vecp->i_len = base_size; vecp->i_type = XLOG_REG_TYPE_BFORMAT; |