For a 2GB FS we have
$ mkfs.xfs -f -d agcount=129 test.img
mkfs.xfs: xfs_mkfs.c:3021: align_ag_geometry: Assertion `!cli_opt_set(&dopts, D_AGCOUNT)' failed.
Aborted
With this change we have
$ mkfs.xfs -f -d agcount=129 test.img
Invalid value 129 for -d agcount option. Value is too large.
Signed-off-by: Srikanth C S <srikanth.c.s@xxxxxxxxxx>
---
mkfs/xfs_mkfs.c | 7 +++++++
1 file changed, 7 insertions(+)
diff --git a/mkfs/xfs_mkfs.c b/mkfs/xfs_mkfs.c
index 057b3b09..32dcbfff 100644
--- a/mkfs/xfs_mkfs.c
+++ b/mkfs/xfs_mkfs.c
@@ -2897,6 +2897,13 @@ _("agsize (%s) not a multiple of fs blk size (%d)\n"),
cfg->agcount = cli->agcount;
cfg->agsize = cfg->dblocks / cfg->agcount +
(cfg->dblocks % cfg->agcount != 0);
+ if (cfg->agsize < XFS_AG_MIN_BYTES >> cfg->blocklog)
+ {
+ fprintf(stderr,
+_("Invalid value %lld for -d agcount option. Value is too large.\n"),
+ (long long)cli->agcount);
+ usage();
+ }
} else {
calc_default_ag_geometry(cfg->blocklog, cfg->dblocks,
cfg->dsunit, &cfg->agsize,
--
2.25.1
