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-rw-r--r--fs/btrfs/fs.h69
1 files changed, 52 insertions, 17 deletions
diff --git a/fs/btrfs/fs.h b/fs/btrfs/fs.h
index a523d64d54..318df6f9d9 100644
--- a/fs/btrfs/fs.h
+++ b/fs/btrfs/fs.h
@@ -139,6 +139,12 @@ enum {
*/
BTRFS_FS_FEATURE_CHANGED,
+ /*
+ * Indicate that we have found a tree block which is only aligned to
+ * sectorsize, but not to nodesize. This should be rare nowadays.
+ */
+ BTRFS_FS_UNALIGNED_TREE_BLOCK,
+
#if BITS_PER_LONG == 32
/* Indicate if we have error/warn message printed on 32bit systems */
BTRFS_FS_32BIT_ERROR,
@@ -171,19 +177,17 @@ enum {
BTRFS_MOUNT_AUTO_DEFRAG = (1UL << 16),
BTRFS_MOUNT_USEBACKUPROOT = (1UL << 17),
BTRFS_MOUNT_SKIP_BALANCE = (1UL << 18),
- BTRFS_MOUNT_CHECK_INTEGRITY = (1UL << 19),
- BTRFS_MOUNT_CHECK_INTEGRITY_DATA = (1UL << 20),
- BTRFS_MOUNT_PANIC_ON_FATAL_ERROR = (1UL << 21),
- BTRFS_MOUNT_RESCAN_UUID_TREE = (1UL << 22),
- BTRFS_MOUNT_FRAGMENT_DATA = (1UL << 23),
- BTRFS_MOUNT_FRAGMENT_METADATA = (1UL << 24),
- BTRFS_MOUNT_FREE_SPACE_TREE = (1UL << 25),
- BTRFS_MOUNT_NOLOGREPLAY = (1UL << 26),
- BTRFS_MOUNT_REF_VERIFY = (1UL << 27),
- BTRFS_MOUNT_DISCARD_ASYNC = (1UL << 28),
- BTRFS_MOUNT_IGNOREBADROOTS = (1UL << 29),
- BTRFS_MOUNT_IGNOREDATACSUMS = (1UL << 30),
- BTRFS_MOUNT_NODISCARD = (1UL << 31),
+ BTRFS_MOUNT_PANIC_ON_FATAL_ERROR = (1UL << 19),
+ BTRFS_MOUNT_RESCAN_UUID_TREE = (1UL << 20),
+ BTRFS_MOUNT_FRAGMENT_DATA = (1UL << 21),
+ BTRFS_MOUNT_FRAGMENT_METADATA = (1UL << 22),
+ BTRFS_MOUNT_FREE_SPACE_TREE = (1UL << 23),
+ BTRFS_MOUNT_NOLOGREPLAY = (1UL << 24),
+ BTRFS_MOUNT_REF_VERIFY = (1UL << 25),
+ BTRFS_MOUNT_DISCARD_ASYNC = (1UL << 26),
+ BTRFS_MOUNT_IGNOREBADROOTS = (1UL << 27),
+ BTRFS_MOUNT_IGNOREDATACSUMS = (1UL << 28),
+ BTRFS_MOUNT_NODISCARD = (1UL << 29),
};
/*
@@ -216,7 +220,8 @@ enum {
BTRFS_FEATURE_INCOMPAT_NO_HOLES | \
BTRFS_FEATURE_INCOMPAT_METADATA_UUID | \
BTRFS_FEATURE_INCOMPAT_RAID1C34 | \
- BTRFS_FEATURE_INCOMPAT_ZONED)
+ BTRFS_FEATURE_INCOMPAT_ZONED | \
+ BTRFS_FEATURE_INCOMPAT_SIMPLE_QUOTA)
#ifdef CONFIG_BTRFS_DEBUG
/*
@@ -225,6 +230,7 @@ enum {
*/
#define BTRFS_FEATURE_INCOMPAT_SUPP \
(BTRFS_FEATURE_INCOMPAT_SUPP_STABLE | \
+ BTRFS_FEATURE_INCOMPAT_RAID_STRIPE_TREE | \
BTRFS_FEATURE_INCOMPAT_EXTENT_TREE_V2)
#else
@@ -369,6 +375,7 @@ struct btrfs_fs_info {
struct btrfs_root *uuid_root;
struct btrfs_root *data_reloc_root;
struct btrfs_root *block_group_root;
+ struct btrfs_root *stripe_root;
/* The log root tree is a directory of all the other log roots */
struct btrfs_root *log_root_tree;
@@ -409,7 +416,17 @@ struct btrfs_fs_info {
struct btrfs_block_rsv empty_block_rsv;
+ /*
+ * Updated while holding the lock 'trans_lock'. Due to the life cycle of
+ * a transaction, it can be directly read while holding a transaction
+ * handle, everywhere else must be read with btrfs_get_fs_generation().
+ * Should always be updated using btrfs_set_fs_generation().
+ */
u64 generation;
+ /*
+ * Always use btrfs_get_last_trans_committed() and
+ * btrfs_set_last_trans_committed() to read and update this field.
+ */
u64 last_trans_committed;
/*
* Generation of the last transaction used for block group relocation
@@ -645,9 +662,6 @@ struct btrfs_fs_info {
struct btrfs_discard_ctl discard_ctl;
-#ifdef CONFIG_BTRFS_FS_CHECK_INTEGRITY
- u32 check_integrity_print_mask;
-#endif
/* Is qgroup tracking in a consistent state? */
u64 qgroup_flags;
@@ -683,6 +697,7 @@ struct btrfs_fs_info {
/* Protected by qgroup_rescan_lock */
bool qgroup_rescan_running;
u8 qgroup_drop_subtree_thres;
+ u64 qgroup_enable_gen;
/*
* If this is not 0, then it indicates a serious filesystem error has
@@ -812,6 +827,26 @@ struct btrfs_fs_info {
#endif
};
+static inline u64 btrfs_get_fs_generation(const struct btrfs_fs_info *fs_info)
+{
+ return READ_ONCE(fs_info->generation);
+}
+
+static inline void btrfs_set_fs_generation(struct btrfs_fs_info *fs_info, u64 gen)
+{
+ WRITE_ONCE(fs_info->generation, gen);
+}
+
+static inline u64 btrfs_get_last_trans_committed(const struct btrfs_fs_info *fs_info)
+{
+ return READ_ONCE(fs_info->last_trans_committed);
+}
+
+static inline void btrfs_set_last_trans_committed(struct btrfs_fs_info *fs_info, u64 gen)
+{
+ WRITE_ONCE(fs_info->last_trans_committed, gen);
+}
+
static inline void btrfs_set_last_root_drop_gen(struct btrfs_fs_info *fs_info,
u64 gen)
{