bcachefs: Convert to __packed and __aligned

Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>

fs/bcachefs/bcachefs_ioctl.h

@@ -208,7 +208,7 @@ struct bch_ioctl_data {
 		__u64		pad[8];
 	};
 	};
-} __attribute__((packed, aligned(8)));
+} __packed __aligned(8);
 
 enum bch_data_event {
 	BCH_DATA_EVENT_PROGRESS	= 0,
@@ -224,7 +224,7 @@ struct bch_ioctl_data_progress {
 
 	__u64			sectors_done;
 	__u64			sectors_total;
-} __attribute__((packed, aligned(8)));
+} __packed __aligned(8);
 
 struct bch_ioctl_data_event {
 	__u8			type;
@@ -233,12 +233,12 @@ struct bch_ioctl_data_event {
 	struct bch_ioctl_data_progress p;
 	__u64			pad2[15];
 	};
-} __attribute__((packed, aligned(8)));
+} __packed __aligned(8);
 
 struct bch_replicas_usage {
 	__u64			sectors;
 	struct bch_replicas_entry r;
-} __attribute__((packed));
+} __packed;
 
 static inline struct bch_replicas_usage *
 replicas_usage_next(struct bch_replicas_usage *u)

fs/bcachefs/btree_types.h

@@ -313,7 +313,7 @@ struct btree_key_cache {
 struct bkey_cached_key {
 	u32			btree_id;
 	struct bpos		pos;
-} __attribute__((packed, aligned(4)));
+} __packed __aligned(4);
 
 #define BKEY_CACHED_ACCESSED		0
 #define BKEY_CACHED_DIRTY		1

fs/bcachefs/inode.h

@@ -66,7 +66,7 @@ struct bkey_inode_buf {
 #define x(_name, _bits)		+ 8 + _bits / 8
 	u8		_pad[0 + BCH_INODE_FIELDS()];
 #undef  x
-} __attribute__((packed, aligned(8)));
+} __packed __aligned(8);
 
 void bch2_inode_pack(struct bch_fs *, struct bkey_inode_buf *,
 		     const struct bch_inode_unpacked *);