It actually means the delta block count of growfs. Rename it in order to make it clear. Signed-off-by: Gao Xiang <hsiangkao@xxxxxxxxxx> --- fs/xfs/xfs_fsops.c | 18 +++++++++--------- 1 file changed, 9 insertions(+), 9 deletions(-) diff --git a/fs/xfs/xfs_fsops.c b/fs/xfs/xfs_fsops.c index 5870db855e8b..d254588f6e21 100644 --- a/fs/xfs/xfs_fsops.c +++ b/fs/xfs/xfs_fsops.c @@ -33,7 +33,7 @@ xfs_growfs_data_private( xfs_agnumber_t nagcount; xfs_agnumber_t nagimax = 0; xfs_rfsblock_t nb, nb_mod; - xfs_rfsblock_t new; + xfs_rfsblock_t delta; xfs_agnumber_t oagcount; xfs_trans_t *tp; struct aghdr_init_data id = {}; @@ -50,16 +50,16 @@ xfs_growfs_data_private( return error; xfs_buf_relse(bp); - new = nb; /* use new as a temporary here */ - nb_mod = do_div(new, mp->m_sb.sb_agblocks); - nagcount = new + (nb_mod != 0); + delta = nb; /* use delta as a temporary here */ + nb_mod = do_div(delta, mp->m_sb.sb_agblocks); + nagcount = delta + (nb_mod != 0); if (nb_mod && nb_mod < XFS_MIN_AG_BLOCKS) { nagcount--; nb = (xfs_rfsblock_t)nagcount * mp->m_sb.sb_agblocks; if (nb < mp->m_sb.sb_dblocks) return -EINVAL; } - new = nb - mp->m_sb.sb_dblocks; + delta = nb - mp->m_sb.sb_dblocks; oagcount = mp->m_sb.sb_agcount; /* allocate the new per-ag structures */ @@ -89,7 +89,7 @@ xfs_growfs_data_private( INIT_LIST_HEAD(&id.buffer_list); for (id.agno = nagcount - 1; id.agno >= oagcount; - id.agno--, new -= id.agsize) { + id.agno--, delta -= id.agsize) { if (id.agno == nagcount - 1) id.agsize = nb - @@ -110,8 +110,8 @@ xfs_growfs_data_private( xfs_trans_agblocks_delta(tp, id.nfree); /* If there are new blocks in the old last AG, extend it. */ - if (new) { - error = xfs_ag_extend_space(mp, tp, &id, new); + if (delta) { + error = xfs_ag_extend_space(mp, tp, &id, delta); if (error) goto out_trans_cancel; } @@ -143,7 +143,7 @@ xfs_growfs_data_private( * If we expanded the last AG, free the per-AG reservation * so we can reinitialize it with the new size. */ - if (new) { + if (delta) { struct xfs_perag *pag; pag = xfs_perag_get(mp, id.agno); -- 2.27.0