libblkid: (bcachefs) add support for 2nd superblock at 2MiB

Signed-off-by: Thomas Weißschuh <thomas@t-8ch.de>

diff --git a/libblkid/src/superblocks/bcache.c b/libblkid/src/superblocks/bcache.c
index 1b9ab9325f965c9d259464c5f0db94037fe1e1ae..1afcbc973bab8b99726b244aa1a8fd930cc9e2f9 100644 (file)
--- a/libblkid/src/superblocks/bcache.c
+++ b/libblkid/src/superblocks/bcache.c
@@ -430,6 +430,12 @@ const struct blkid_idinfo bcachefs_idinfo =
                        .kboff = BCACHE_SB_KBOFF,
                        .sboff = BCACHE_SB_MAGIC_OFF,
                },
+               {
+                       .magic = BCACHEFS_SB_MAGIC,
+                       .len   = BCACHE_SB_MAGIC_LEN,
+                       .kboff = 1 << 11,
+                       .sboff = BCACHE_SB_MAGIC_OFF,
+               },
                { NULL }
        }
 };

diff --git a/tests/expected/wipefs/signatures-bcachefs b/tests/expected/wipefs/signatures-bcachefs
index 607fe4f3e6282e583253afddecc8efe9b96989e6..629133a4b2fb2fa0aa79e90844efb3f13607926d 100644 (file)
--- a/tests/expected/wipefs/signatures-bcachefs
+++ b/tests/expected/wipefs/signatures-bcachefs
@@ -1 +1,2 @@
 0x1018,e1cf0710-c3cb-498b-9453-d5f3e7dbf9cc,,bcachefs
+0x200018,e1cf0710-c3cb-498b-9453-d5f3e7dbf9cc,,bcachefs