bcachefs: Print version_incompat_allowed on startup

Kent Overstreet · Kent Overstreet · commit 14bcf982f428 · 2025-04-15T11:35:05.000-04:00
Let users know if incompatible features aren't enabled

Signed-off-by: Kent Overstreet &lt;kent.overstreet@linux.dev&gt;
diff --git a/fs/bcachefs/super.c b/fs/bcachefs/super.c
@@ -1013,6 +1013,11 @@ static void print_mount_opts(struct bch_fs *c)
 		bch2_opt_to_text(&p, c, c->disk_sb.sb, opt, v, OPT_SHOW_MOUNT_STYLE);
 	}
 
+	if (c->sb.version_incompat_allowed != c->sb.version) {
+		prt_printf(&p, "\n  allowing incompatible features above ");
+		bch2_version_to_text(&p, c->sb.version_incompat_allowed);
+	}
+
 	bch_info(c, "%s", p.buf);
 	printbuf_exit(&p);
 }

Original file line number	Diff line number	Diff line change
`@@ -1013,6 +1013,11 @@ static void print_mount_opts(struct bch_fs *c)`
`1013`	`1013`	`bch2_opt_to_text(&p, c, c->disk_sb.sb, opt, v, OPT_SHOW_MOUNT_STYLE);`
`1014`	`1014`	`}`
`1015`	`1015`
	`1016`	`+ if (c->sb.version_incompat_allowed != c->sb.version) {`
	`1017`	`+ prt_printf(&p, "\n allowing incompatible features above ");`
	`1018`	`+ bch2_version_to_text(&p, c->sb.version_incompat_allowed);`
	`1019`	`+ }`
	`1020`	`+`
`1016`	`1021`	`bch_info(c, "%s", p.buf);`
`1017`	`1022`	`printbuf_exit(&p);`
`1018`	`1023`	`}`