1 files changed, 52 insertions, 8 deletions

diff --git a/fs/bcachefs/bcachefs_ioctl.h b/fs/bcachefs/bcachefs_ioctl.h
index f05881f7e1..4b8fba754b 100644
--- a/fs/bcachefs/bcachefs_ioctl.h
+++ b/fs/bcachefs/bcachefs_ioctl.h
@@ -81,6 +81,11 @@ struct bch_ioctl_incremental {
 #define BCH_IOCTL_SUBVOLUME_CREATE _IOW(0xbc,	16,  struct bch_ioctl_subvolume)
 #define BCH_IOCTL_SUBVOLUME_DESTROY _IOW(0xbc,	17,  struct bch_ioctl_subvolume)
 
+#define BCH_IOCTL_DEV_USAGE_V2	_IOWR(0xbc,	18, struct bch_ioctl_dev_usage_v2)
+
+#define BCH_IOCTL_FSCK_OFFLINE	_IOW(0xbc,	19,  struct bch_ioctl_fsck_offline)
+#define BCH_IOCTL_FSCK_ONLINE	_IOW(0xbc,	20,  struct bch_ioctl_fsck_online)
+
 /* ioctl below act on a particular file, not the filesystem as a whole: */
 
 #define BCHFS_IOC_REINHERIT_ATTRS	_IOR(0xbc, 64, const char __user *)
@@ -173,12 +178,18 @@ struct bch_ioctl_disk_set_state {
 	__u64			dev;
 };
 
+#define BCH_DATA_OPS()			\
+	x(scrub,		0)	\
+	x(rereplicate,		1)	\
+	x(migrate,		2)	\
+	x(rewrite_old_nodes,	3)	\
+	x(drop_extra_replicas,	4)
+
 enum bch_data_ops {
-	BCH_DATA_OP_SCRUB		= 0,
-	BCH_DATA_OP_REREPLICATE		= 1,
-	BCH_DATA_OP_MIGRATE		= 2,
-	BCH_DATA_OP_REWRITE_OLD_NODES	= 3,
-	BCH_DATA_OP_NR			= 4,
+#define x(t, n) BCH_DATA_OP_##t = n,
+	BCH_DATA_OPS()
+#undef x
+	BCH_DATA_OP_NR
 };
 
 /*
@@ -237,7 +248,7 @@ struct bch_ioctl_data_event {
 
 struct bch_replicas_usage {
 	__u64			sectors;
-	struct bch_replicas_entry r;
+	struct bch_replicas_entry_v1 r;
 } __packed;
 
 static inline struct bch_replicas_usage *
@@ -268,7 +279,7 @@ struct bch_ioctl_fs_usage {
 	__u32			replica_entries_bytes;
 	__u32			pad;
 
-	struct bch_replicas_usage replicas[0];
+	struct bch_replicas_usage replicas[];
 };
 
 /*
@@ -292,7 +303,20 @@ struct bch_ioctl_dev_usage {
 		__u64		buckets;
 		__u64		sectors;
 		__u64		fragmented;
-	}			d[BCH_DATA_NR];
+	}			d[10];
+};
+
+struct bch_ioctl_dev_usage_v2 {
+	__u64			dev;
+	__u32			flags;
+	__u8			state;
+	__u8			nr_data_types;
+	__u8			pad[6];
+
+	__u32			bucket_size;
+	__u64			nr_buckets;
+
+	struct bch_ioctl_dev_usage_type d[];
 };
 
 /*
@@ -365,4 +389,24 @@ struct bch_ioctl_subvolume {
 #define BCH_SUBVOL_SNAPSHOT_CREATE	(1U << 0)
 #define BCH_SUBVOL_SNAPSHOT_RO		(1U << 1)
 
+/*
+ * BCH_IOCTL_FSCK_OFFLINE: run fsck from the 'bcachefs fsck' userspace command,
+ * but with the kernel's implementation of fsck:
+ */
+struct bch_ioctl_fsck_offline {
+	__u64			flags;
+	__u64			opts;		/* string */
+	__u64			nr_devs;
+	__u64			devs[] __counted_by(nr_devs);
+};
+
+/*
+ * BCH_IOCTL_FSCK_ONLINE: run fsck from the 'bcachefs fsck' userspace command,
+ * but with the kernel's implementation of fsck:
+ */
+struct bch_ioctl_fsck_online {
+	__u64			flags;
+	__u64			opts;		/* string */
+};
+
 #endif /* _BCACHEFS_IOCTL_H */