Update Linux to v5.10.109
Sourced from [1]
[1] https://cdn.kernel.org/pub/linux/kernel/v5.x/linux-5.10.109.tar.xz
Change-Id: I19bca9fc6762d4e63bcf3e4cba88bbe560d9c76c
Signed-off-by: Olivier Deprez <olivier.deprez@arm.com>
diff --git a/include/uapi/linux/bcache.h b/include/uapi/linux/bcache.h
index 5d4f58e..cf7399f 100644
--- a/include/uapi/linux/bcache.h
+++ b/include/uapi/linux/bcache.h
@@ -141,13 +141,16 @@
* Version 3: Cache device with new UUID format
* Version 4: Backing device with data offset
*/
-#define BCACHE_SB_VERSION_CDEV 0
-#define BCACHE_SB_VERSION_BDEV 1
-#define BCACHE_SB_VERSION_CDEV_WITH_UUID 3
-#define BCACHE_SB_VERSION_BDEV_WITH_OFFSET 4
-#define BCACHE_SB_MAX_VERSION 4
+#define BCACHE_SB_VERSION_CDEV 0
+#define BCACHE_SB_VERSION_BDEV 1
+#define BCACHE_SB_VERSION_CDEV_WITH_UUID 3
+#define BCACHE_SB_VERSION_BDEV_WITH_OFFSET 4
+#define BCACHE_SB_VERSION_CDEV_WITH_FEATURES 5
+#define BCACHE_SB_VERSION_BDEV_WITH_FEATURES 6
+#define BCACHE_SB_MAX_VERSION 6
#define SB_SECTOR 8
+#define SB_OFFSET (SB_SECTOR << SECTOR_SHIFT)
#define SB_SIZE 4096
#define SB_LABEL_SIZE 32
#define SB_JOURNAL_BUCKETS 256U
@@ -156,8 +159,70 @@
#define BDEV_DATA_START_DEFAULT 16 /* sectors */
+struct cache_sb_disk {
+ __le64 csum;
+ __le64 offset; /* sector where this sb was written */
+ __le64 version;
+
+ __u8 magic[16];
+
+ __u8 uuid[16];
+ union {
+ __u8 set_uuid[16];
+ __le64 set_magic;
+ };
+ __u8 label[SB_LABEL_SIZE];
+
+ __le64 flags;
+ __le64 seq;
+
+ __le64 feature_compat;
+ __le64 feature_incompat;
+ __le64 feature_ro_compat;
+
+ __le64 pad[5];
+
+ union {
+ struct {
+ /* Cache devices */
+ __le64 nbuckets; /* device size */
+
+ __le16 block_size; /* sectors */
+ __le16 bucket_size; /* sectors */
+
+ __le16 nr_in_set;
+ __le16 nr_this_dev;
+ };
+ struct {
+ /* Backing devices */
+ __le64 data_offset;
+
+ /*
+ * block_size from the cache device section is still used by
+ * backing devices, so don't add anything here until we fix
+ * things to not need it for backing devices anymore
+ */
+ };
+ };
+
+ __le32 last_mount; /* time overflow in y2106 */
+
+ __le16 first_bucket;
+ union {
+ __le16 njournal_buckets;
+ __le16 keys;
+ };
+ __le64 d[SB_JOURNAL_BUCKETS]; /* journal buckets */
+ __le16 obso_bucket_size_hi; /* obsoleted */
+};
+
+/*
+ * This is for in-memory bcache super block.
+ * NOTE: cache_sb is NOT exactly mapping to cache_sb_disk, the member
+ * size, ordering and even whole struct size may be different
+ * from cache_sb_disk.
+ */
struct cache_sb {
- __u64 csum;
__u64 offset; /* sector where this sb was written */
__u64 version;
@@ -172,7 +237,10 @@
__u64 flags;
__u64 seq;
- __u64 pad[8];
+
+ __u64 feature_compat;
+ __u64 feature_incompat;
+ __u64 feature_ro_compat;
union {
struct {
@@ -180,10 +248,9 @@
__u64 nbuckets; /* device size */
__u16 block_size; /* sectors */
- __u16 bucket_size; /* sectors */
-
__u16 nr_in_set;
__u16 nr_this_dev;
+ __u32 bucket_size; /* sectors */
};
struct {
/* Backing devices */
@@ -210,7 +277,8 @@
static inline _Bool SB_IS_BDEV(const struct cache_sb *sb)
{
return sb->version == BCACHE_SB_VERSION_BDEV
- || sb->version == BCACHE_SB_VERSION_BDEV_WITH_OFFSET;
+ || sb->version == BCACHE_SB_VERSION_BDEV_WITH_OFFSET
+ || sb->version == BCACHE_SB_VERSION_BDEV_WITH_FEATURES;
}
BITMASK(CACHE_SYNC, struct cache_sb, flags, 0, 1);