git: bf24d17fda75 - main - Have dumpfs(8) ignore superblock check-hash failures.

From: Kirk McKusick <mckusick_at_FreeBSD.org>
Date: Mon, 25 Jul 2022 01:12:56 UTC
The branch main has been updated by mckusick:

URL: https://cgit.FreeBSD.org/src/commit/?id=bf24d17fda75cc89a92248715d52a73f23adc89c

commit bf24d17fda75cc89a92248715d52a73f23adc89c
Author:     Kirk McKusick <mckusick@FreeBSD.org>
AuthorDate: 2022-07-25 01:01:43 +0000
Commit:     Kirk McKusick <mckusick@FreeBSD.org>
CommitDate: 2022-07-25 01:12:24 +0000

    Have dumpfs(8) ignore superblock check-hash failures.
    
    Set the STDSB_NOHASHFAIL request so that dumpfs(8) can print out
    filesystem details even when the superblock checksum is incorrect.
---
 sbin/dumpfs/dumpfs.c | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/sbin/dumpfs/dumpfs.c b/sbin/dumpfs/dumpfs.c
index 99b4ad0b9274..7f2acdf435ea 100644
--- a/sbin/dumpfs/dumpfs.c
+++ b/sbin/dumpfs/dumpfs.c
@@ -130,7 +130,13 @@ main(int argc, char *argv[])
 		usage();
 
 	while ((name = *argv++) != NULL) {
-		if (ufs_disk_fillout(&disk, name) == -1) {
+		if (ufs_disk_fillout_blank(&disk, name) == -1) {
+			ufserr(name);
+			eval |= 1;
+			continue;
+		}
+		disk.d_sblockloc = STDSB_NOHASHFAIL;
+		if (sbread(&disk) == -1) {
 			ufserr(name);
 			eval |= 1;
 			continue;