__ufs_truncate(); find cutoff distances into branches by offsets[] array
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
diff --git a/fs/ufs/inode.c b/fs/ufs/inode.c
index b4d6398..c2544d6 100644
--- a/fs/ufs/inode.c
+++ b/fs/ufs/inode.c
@@ -1324,12 +1324,16 @@
ufs_trunc_tindirect(inode, 0);
break;
case 3:
- ufs_trunc_dindirect(inode, DIRECT_BLOCK - UFS_IND_BLOCK - uspi->s_apb,
+ ufs_trunc_dindirect(inode,
+ (offsets[1] << uspi->s_apbshift) + offsets[2],
ufs_get_direct_data_ptr(uspi, ufsi, UFS_DIND_BLOCK));
ufs_trunc_tindirect(inode, 0);
break;
case 4:
- ufs_trunc_tindirect(inode, DIRECT_BLOCK - UFS_NDADDR - uspi->s_apb - uspi->s_2apb);
+ ufs_trunc_tindirect(inode,
+ (offsets[1] << uspi->s_2apbshift) +
+ (offsets[2] << uspi->s_apbshift) +
+ offsets[3]);
}
ufsi->i_lastfrag = DIRECT_FRAGMENT;
mutex_unlock(&ufsi->truncate_mutex);