X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=libbcachefs%2Fio_types.h;h=4149291c0df6f153f8f7a147eed75487767efd18;hb=17d1c4f4fe29453fbb4087eb5de8aa6f9e6605c7;hp=04f6d9a7c9a2af5c4fd71aed870f71062ab21a4e;hpb=f96ba8e0aac91f2650270e9639359243cb9ac2d1;p=bcachefs-tools-debian

diff --git a/libbcachefs/io_types.h b/libbcachefs/io_types.h
index 04f6d9a..4149291 100644
--- a/libbcachefs/io_types.h
+++ b/libbcachefs/io_types.h
@@ -38,6 +38,8 @@ struct bch_read_bio {
 	 */
 	struct bvec_iter	bvec_iter;
 
+	unsigned		offset_into_extent;
+
 	u16			flags;
 	union {
 	struct {
@@ -56,8 +58,19 @@ struct bch_read_bio {
 	struct bch_devs_list	devs_have;
 
 	struct extent_ptr_decoded pick;
-	/* start pos of data we read (may not be pos of data we want) */
-	struct bpos		pos;
+
+	/*
+	 * pos we read from - different from data_pos for indirect extents:
+	 */
+	u32			subvol;
+	struct bpos		read_pos;
+
+	/*
+	 * start pos of data we read (may not be pos of data we want) - for
+	 * promote, narrow extents paths:
+	 */
+	enum btree_id		data_btree;
+	struct bpos		data_pos;
 	struct bversion		version;
 
 	struct promote_op	*promote;
@@ -70,20 +83,24 @@ struct bch_read_bio {
 };
 
 struct bch_write_bio {
+	struct_group(wbio,
 	struct bch_fs		*c;
 	struct bch_write_bio	*parent;
 
 	u64			submit_time;
+	u64			inode_offset;
 
 	struct bch_devs_list	failed;
-	u8			order;
 	u8			dev;
 
 	unsigned		split:1,
 				bounce:1,
 				put_bio:1,
 				have_ioref:1,
-				used_mempool:1;
+				nocow:1,
+				used_mempool:1,
+				first_btree_write:1;
+	);
 
 	struct bio		bio;
 };
@@ -91,7 +108,7 @@ struct bch_write_bio {
 struct bch_write_op {
 	struct closure		cl;
 	struct bch_fs		*c;
-	struct workqueue_struct	*io_wq;
+	void			(*end_io)(struct bch_write_op *);
 	u64			start_time;
 
 	unsigned		written; /* sectors */
@@ -102,14 +119,16 @@ struct bch_write_op {
 	unsigned		compression_type:4;
 	unsigned		nr_replicas:4;
 	unsigned		nr_replicas_required:4;
-	unsigned		alloc_reserve:4;
+	unsigned		alloc_reserve:3;
+	unsigned		incompressible:1;
+	unsigned		stripe_waited:1;
 
 	struct bch_devs_list	devs_have;
 	u16			target;
 	u16			nonce;
-
 	struct bch_io_opts	opts;
 
+	u32			subvol;
 	struct bpos		pos;
 	struct bversion		version;
 
@@ -118,26 +137,27 @@ struct bch_write_op {
 
 	struct write_point_specifier write_point;
 
+	struct write_point	*wp;
+	struct list_head	wp_list;
+
 	struct disk_reservation	res;
 
 	struct open_buckets	open_buckets;
 
-	/*
-	 * If caller wants to flush but hasn't passed us a journal_seq ptr, we
-	 * still need to stash the journal_seq somewhere:
-	 */
-	union {
-		u64			*journal_seq_p;
-		u64			journal_seq;
-	};
-
-	int			(*index_update_fn)(struct bch_write_op *);
+	u64			new_i_size;
+	s64			i_sectors_delta;
 
 	struct bch_devs_mask	failed;
 
 	struct keylist		insert_keys;
 	u64			inline_keys[BKEY_EXTENT_U64s_MAX * 2];
 
+	/*
+	 * Bitmask of devices that have had nocow writes issued to them since
+	 * last flush:
+	 */
+	struct bch_devs_mask	*devs_need_flush;
+
 	/* Must be last: */
 	struct bch_write_bio	wbio;
 };