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authorKent Overstreet <kent.overstreet@linux.dev>2024-05-29 00:13:52 +0300
committerKent Overstreet <kent.overstreet@linux.dev>2024-05-29 00:32:03 +0300
commit24998050b69ac1f4caa41b66dbd245f4de366b3c (patch)
treef62ebf85e7e5baf491e61a1924ec730dd4936574 /fs/bcachefs/replicas_format.h
parent1cdcc6e3c2cb69a235bd32eb0da51205e432f77f (diff)
downloadlinux-24998050b69ac1f4caa41b66dbd245f4de366b3c.tar.xz
bcachefs: Split out replicas_format.h
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
Diffstat (limited to 'fs/bcachefs/replicas_format.h')
-rw-r--r--fs/bcachefs/replicas_format.h31
1 files changed, 31 insertions, 0 deletions
diff --git a/fs/bcachefs/replicas_format.h b/fs/bcachefs/replicas_format.h
new file mode 100644
index 000000000000..b97208195d06
--- /dev/null
+++ b/fs/bcachefs/replicas_format.h
@@ -0,0 +1,31 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#ifndef _BCACHEFS_REPLICAS_FORMAT_H
+#define _BCACHEFS_REPLICAS_FORMAT_H
+
+struct bch_replicas_entry_v0 {
+ __u8 data_type;
+ __u8 nr_devs;
+ __u8 devs[];
+} __packed;
+
+struct bch_sb_field_replicas_v0 {
+ struct bch_sb_field field;
+ struct bch_replicas_entry_v0 entries[];
+} __packed __aligned(8);
+
+struct bch_replicas_entry_v1 {
+ __u8 data_type;
+ __u8 nr_devs;
+ __u8 nr_required;
+ __u8 devs[];
+} __packed;
+
+struct bch_sb_field_replicas {
+ struct bch_sb_field field;
+ struct bch_replicas_entry_v1 entries[];
+} __packed __aligned(8);
+
+#define replicas_entry_bytes(_i) \
+ (offsetof(typeof(*(_i)), devs) + (_i)->nr_devs)
+
+#endif /* _BCACHEFS_REPLICAS_FORMAT_H */