1 files changed, 0 insertions, 216 deletions
diff --git a/fs/bcachefs/io_read.h b/fs/bcachefs/io_read.h
deleted file mode 100644
index 9c5ddbf861b3..000000000000
--- a/fs/bcachefs/io_read.h
+++ /dev/null
@@ -1,216 +0,0 @@
-/* SPDX-License-Identifier: GPL-2.0 */
-#ifndef _BCACHEFS_IO_READ_H
-#define _BCACHEFS_IO_READ_H
-
-#include "bkey_buf.h"
-#include "btree_iter.h"
-#include "extents_types.h"
-#include "reflink.h"
-
-struct bch_read_bio {
-	struct bch_fs		*c;
-	u64			start_time;
-	u64			submit_time;
-
-	/*
-	 * Reads will often have to be split, and if the extent being read from
-	 * was checksummed or compressed we'll also have to allocate bounce
-	 * buffers and copy the data back into the original bio.
-	 *
-	 * If we didn't have to split, we have to save and restore the original
-	 * bi_end_io - @split below indicates which:
-	 */
-	union {
-	struct bch_read_bio	*parent;
-	bio_end_io_t		*end_io;
-	};
-
-	/*
-	 * Saved copy of bio->bi_iter, from submission time - allows us to
-	 * resubmit on IO error, and also to copy data back to the original bio
-	 * when we're bouncing:
-	 */
-	struct bvec_iter	bvec_iter;
-
-	unsigned		offset_into_extent;
-
-	u16			flags;
-	union {
-	struct {
-	u16			data_update:1,
-				promote:1,
-				bounce:1,
-				split:1,
-				have_ioref:1,
-				narrow_crcs:1,
-				saw_error:1,
-				self_healing:1,
-				context:2;
-	};
-	u16			_state;
-	};
-	s16			ret;
-#ifdef CONFIG_BCACHEFS_ASYNC_OBJECT_LISTS
-	unsigned		list_idx;
-#endif
-
-	struct extent_ptr_decoded pick;
-
-	/*
-	 * 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 bch_io_opts	opts;
-
-	struct work_struct	work;
-
-	struct bio		bio;
-};
-
-#define to_rbio(_bio)		container_of((_bio), struct bch_read_bio, bio)
-
-struct bch_devs_mask;
-struct cache_promote_op;
-struct extent_ptr_decoded;
-
-static inline int bch2_read_indirect_extent(struct btree_trans *trans,
-					    enum btree_id *data_btree,
-					    s64 *offset_into_extent,
-					    struct bkey_buf *extent)
-{
-	if (extent->k->k.type != KEY_TYPE_reflink_p)
-		return 0;
-
-	*data_btree = BTREE_ID_reflink;
-
-	struct bch_fs *c = trans->c;
-	struct btree_iter iter;
-	struct bkey_s_c k = bch2_lookup_indirect_extent(trans, &iter,
-						offset_into_extent,
-						bkey_i_to_s_c_reflink_p(extent->k),
-						true, 0);
-	int ret = bkey_err(k);
-	if (ret)
-		return ret;
-
-	if (bkey_deleted(k.k)) {
-		bch2_trans_iter_exit(trans, &iter);
-		return bch_err_throw(c, missing_indirect_extent);
-	}
-
-	bch2_bkey_buf_reassemble(extent, c, k);
-	bch2_trans_iter_exit(trans, &iter);
-	return 0;
-}
-
-#define BCH_READ_FLAGS()		\
-	x(retry_if_stale)		\
-	x(may_promote)			\
-	x(user_mapped)			\
-	x(last_fragment)		\
-	x(must_bounce)			\
-	x(must_clone)			\
-	x(in_retry)
-
-enum __bch_read_flags {
-#define x(n)	__BCH_READ_##n,
-	BCH_READ_FLAGS()
-#undef x
-};
-
-enum bch_read_flags {
-#define x(n)	BCH_READ_##n = BIT(__BCH_READ_##n),
-	BCH_READ_FLAGS()
-#undef x
-};
-
-int __bch2_read_extent(struct btree_trans *, struct bch_read_bio *,
-		       struct bvec_iter, struct bpos, enum btree_id,
-		       struct bkey_s_c, unsigned,
-		       struct bch_io_failures *, unsigned, int);
-
-static inline void bch2_read_extent(struct btree_trans *trans,
-			struct bch_read_bio *rbio, struct bpos read_pos,
-			enum btree_id data_btree, struct bkey_s_c k,
-			unsigned offset_into_extent, unsigned flags)
-{
-	int ret = __bch2_read_extent(trans, rbio, rbio->bio.bi_iter, read_pos,
-				     data_btree, k, offset_into_extent, NULL, flags, -1);
-	/* __bch2_read_extent only returns errors if BCH_READ_in_retry is set */
-	WARN(ret, "unhandled error from __bch2_read_extent()");
-}
-
-int __bch2_read(struct btree_trans *, struct bch_read_bio *, struct bvec_iter,
-		subvol_inum,
-		struct bch_io_failures *, struct bkey_buf *, unsigned flags);
-
-static inline void bch2_read(struct bch_fs *c, struct bch_read_bio *rbio,
-			     subvol_inum inum)
-{
-	BUG_ON(rbio->_state);
-
-	rbio->subvol = inum.subvol;
-
-	bch2_trans_run(c,
-		__bch2_read(trans, rbio, rbio->bio.bi_iter, inum, NULL, NULL,
-			    BCH_READ_retry_if_stale|
-			    BCH_READ_may_promote|
-			    BCH_READ_user_mapped));
-}
-
-static inline struct bch_read_bio *rbio_init_fragment(struct bio *bio,
-						      struct bch_read_bio *orig)
-{
-	struct bch_read_bio *rbio = to_rbio(bio);
-
-	rbio->c			= orig->c;
-	rbio->_state		= 0;
-	rbio->flags		= 0;
-	rbio->ret		= 0;
-	rbio->split		= true;
-	rbio->parent		= orig;
-	rbio->opts		= orig->opts;
-#ifdef CONFIG_BCACHEFS_ASYNC_OBJECT_LISTS
-	rbio->list_idx	= 0;
-#endif
-	return rbio;
-}
-
-static inline struct bch_read_bio *rbio_init(struct bio *bio,
-					     struct bch_fs *c,
-					     struct bch_io_opts opts,
-					     bio_end_io_t end_io)
-{
-	struct bch_read_bio *rbio = to_rbio(bio);
-
-	rbio->start_time	= local_clock();
-	rbio->c			= c;
-	rbio->_state		= 0;
-	rbio->flags		= 0;
-	rbio->ret		= 0;
-	rbio->opts		= opts;
-	rbio->bio.bi_end_io	= end_io;
-#ifdef CONFIG_BCACHEFS_ASYNC_OBJECT_LISTS
-	rbio->list_idx	= 0;
-#endif
-	return rbio;
-}
-
-struct promote_op;
-void bch2_promote_op_to_text(struct printbuf *, struct promote_op *);
-void bch2_read_bio_to_text(struct printbuf *, struct bch_read_bio *);
-
-void bch2_fs_io_read_exit(struct bch_fs *);
-int bch2_fs_io_read_init(struct bch_fs *);
-
-#endif /* _BCACHEFS_IO_READ_H */