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-rw-r--r--fs/bcachefs/replicas.c3
-rw-r--r--fs/bcachefs/sb-members.c3
-rw-r--r--fs/bcachefs/sb-members_format.h5
3 files changed, 9 insertions, 2 deletions
diff --git a/fs/bcachefs/replicas.c b/fs/bcachefs/replicas.c
index 12b1d28b7eb4..12d4de65ae17 100644
--- a/fs/bcachefs/replicas.c
+++ b/fs/bcachefs/replicas.c
@@ -82,7 +82,8 @@ int bch2_replicas_entry_validate(struct bch_replicas_entry_v1 *r,
}
for (unsigned i = 0; i < r->nr_devs; i++)
- if (!bch2_member_exists(sb, r->devs[i])) {
+ if (r->devs[i] != BCH_SB_MEMBER_INVALID &&
+ !bch2_member_exists(sb, r->devs[i])) {
prt_printf(err, "invalid device %u in entry ", r->devs[i]);
goto bad;
}
diff --git a/fs/bcachefs/sb-members.c b/fs/bcachefs/sb-members.c
index 39196f2a4197..4b765422dd77 100644
--- a/fs/bcachefs/sb-members.c
+++ b/fs/bcachefs/sb-members.c
@@ -11,7 +11,8 @@
void bch2_dev_missing(struct bch_fs *c, unsigned dev)
{
- bch2_fs_inconsistent(c, "pointer to nonexistent device %u", dev);
+ if (dev != BCH_SB_MEMBER_INVALID)
+ bch2_fs_inconsistent(c, "pointer to nonexistent device %u", dev);
}
void bch2_dev_bucket_missing(struct bch_fs *c, struct bpos bucket)
diff --git a/fs/bcachefs/sb-members_format.h b/fs/bcachefs/sb-members_format.h
index e2630548c0f6..d727d2dfda08 100644
--- a/fs/bcachefs/sb-members_format.h
+++ b/fs/bcachefs/sb-members_format.h
@@ -8,6 +8,11 @@
*/
#define BCH_SB_MEMBERS_MAX 64
+/*
+ * Sentinal value - indicates a device that does not exist
+ */
+#define BCH_SB_MEMBER_INVALID 255
+
#define BCH_MIN_NR_NBUCKETS (1 << 6)
#define BCH_IOPS_MEASUREMENTS() \