From: Gao Xiang <hsiangkao@xxxxxxxxxx> Check stripe numbers in calc_stripe_factors() by using xfs_validate_stripe_factors(). Signed-off-by: Gao Xiang <hsiangkao@xxxxxxxxxx> --- mkfs/xfs_mkfs.c | 23 +++++++---------------- 1 file changed, 7 insertions(+), 16 deletions(-) diff --git a/mkfs/xfs_mkfs.c b/mkfs/xfs_mkfs.c index 2e6cd280e388..b7f8f98147eb 100644 --- a/mkfs/xfs_mkfs.c +++ b/mkfs/xfs_mkfs.c @@ -2289,12 +2289,6 @@ _("both data su and data sw options must be specified\n")); usage(); } - if (dsu % cfg->sectorsize) { - fprintf(stderr, -_("data su must be a multiple of the sector size (%d)\n"), cfg->sectorsize); - usage(); - } - dsunit = (int)BTOBBT(dsu); big_dswidth = (long long int)dsunit * dsw; if (big_dswidth > INT_MAX) { @@ -2306,13 +2300,9 @@ _("data stripe width (%lld) is too large of a multiple of the data stripe unit ( dswidth = big_dswidth; } - if ((dsunit && !dswidth) || (!dsunit && dswidth) || - (dsunit && (dswidth % dsunit != 0))) { - fprintf(stderr, -_("data stripe width (%d) must be a multiple of the data stripe unit (%d)\n"), - dswidth, dsunit); + if (!xfs_validate_stripe_factors(NULL, BBTOB(dsunit), BBTOB(dswidth), + cfg->sectorsize)) usage(); - } /* If sunit & swidth were manually specified as 0, same as noalign */ if ((cli_opt_set(&dopts, D_SUNIT) || cli_opt_set(&dopts, D_SU)) && @@ -2328,11 +2318,12 @@ _("data stripe width (%d) must be a multiple of the data stripe unit (%d)\n"), /* if no stripe config set, use the device default */ if (!dsunit) { - /* Ignore nonsense from device. XXX add more validation */ - if (ft->dsunit && ft->dswidth == 0) { + /* Ignore nonsense from device report. */ + if (!xfs_validate_stripe_factors(NULL, ft->dsunit, + ft->dswidth, 0)) { fprintf(stderr, -_("%s: Volume reports stripe unit of %d bytes and stripe width of 0, ignoring.\n"), - progname, BBTOB(ft->dsunit)); +_("%s: Volume reports invalid stripe unit (%d) and stripe width (%d), ignoring.\n"), + progname, BBTOB(ft->dsunit), BBTOB(ft->dswidth)); ft->dsunit = 0; ft->dswidth = 0; } else { -- 2.24.0