mkfs: reflink conflicts with zoned file systems for now

Until GC is enhanced to not unshared reflinked blocks we better prohibit
this combination.

Signed-off-by: Christoph Hellwig <hch@lst.de>

diff --git a/mkfs/xfs_mkfs.c b/mkfs/xfs_mkfs.c
index d6b356921170bc6a6591e41290280283bbc739b5..30d4c855eb816825581caf386cf3c3734cee4437 100644 (file)
--- a/mkfs/xfs_mkfs.c
+++ b/mkfs/xfs_mkfs.c
@@ -2820,6 +2820,14 @@ _("rt extent size not supported on realtime devices with zoned mode specified\n"
                        }
                        cli->rtextsize = 0;
                }
+               if (cli->sb_feat.zoned && cli->sb_feat.reflink) {
+                       if (cli_opt_set(&mopts, M_REFLINK)) {
+                               fprintf(stderr,
+_("reflink not supported on realtime devices with zoned mode specified\n"));
+                               usage();
+                       }
+                       cli->sb_feat.reflink = false;
+               }
                if (cli->rtextsize && cli->sb_feat.reflink) {
                        if (cli_opt_set(&mopts, M_REFLINK)) {
                                fprintf(stderr,