1 files changed, 0 insertions, 158 deletions
diff --git a/c_src/libbcachefs/io_read.h b/c_src/libbcachefs/io_read.h
deleted file mode 100644
index d9c18bb7..00000000
--- a/c_src/libbcachefs/io_read.h
+++ /dev/null
@@ -1,158 +0,0 @@
-/* SPDX-License-Identifier: GPL-2.0 */
-#ifndef _BCACHEFS_IO_READ_H
-#define _BCACHEFS_IO_READ_H
-
-#include "bkey_buf.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			bounce:1,
-				split:1,
-				kmalloc:1,
-				have_ioref:1,
-				narrow_crcs:1,
-				hole:1,
-				retry:2,
-				context:2;
-	};
-	u16			_state;
-	};
-
-	struct bch_devs_list	devs_have;
-
-	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 promote_op	*promote;
-
-	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;
-
-int __bch2_read_indirect_extent(struct btree_trans *, unsigned *,
-				struct bkey_buf *);
-
-static inline int bch2_read_indirect_extent(struct btree_trans *trans,
-					    enum btree_id *data_btree,
-					    unsigned *offset_into_extent,
-					    struct bkey_buf *k)
-{
-	if (k->k->k.type != KEY_TYPE_reflink_p)
-		return 0;
-
-	*data_btree = BTREE_ID_reflink;
-	return __bch2_read_indirect_extent(trans, offset_into_extent, k);
-}
-
-enum bch_read_flags {
-	BCH_READ_RETRY_IF_STALE		= 1 << 0,
-	BCH_READ_MAY_PROMOTE		= 1 << 1,
-	BCH_READ_USER_MAPPED		= 1 << 2,
-	BCH_READ_NODECODE		= 1 << 3,
-	BCH_READ_LAST_FRAGMENT		= 1 << 4,
-
-	/* internal: */
-	BCH_READ_MUST_BOUNCE		= 1 << 5,
-	BCH_READ_MUST_CLONE		= 1 << 6,
-	BCH_READ_IN_RETRY		= 1 << 7,
-};
-
-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);
-
-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)
-{
-	__bch2_read_extent(trans, rbio, rbio->bio.bi_iter, read_pos,
-			   data_btree, k, offset_into_extent, NULL, flags);
-}
-
-void __bch2_read(struct bch_fs *, struct bch_read_bio *, struct bvec_iter,
-		 subvol_inum, struct bch_io_failures *, unsigned flags);
-
-static inline void bch2_read(struct bch_fs *c, struct bch_read_bio *rbio,
-			     subvol_inum inum)
-{
-	struct bch_io_failures failed = { .nr = 0 };
-
-	BUG_ON(rbio->_state);
-
-	rbio->c = c;
-	rbio->start_time = local_clock();
-	rbio->subvol = inum.subvol;
-
-	__bch2_read(c, rbio, rbio->bio.bi_iter, inum, &failed,
-		    BCH_READ_RETRY_IF_STALE|
-		    BCH_READ_MAY_PROMOTE|
-		    BCH_READ_USER_MAPPED);
-}
-
-static inline struct bch_read_bio *rbio_init(struct bio *bio,
-					     struct bch_io_opts opts)
-{
-	struct bch_read_bio *rbio = to_rbio(bio);
-
-	rbio->_state	= 0;
-	rbio->promote	= NULL;
-	rbio->opts	= opts;
-	return rbio;
-}
-
-void bch2_fs_io_read_exit(struct bch_fs *);
-int bch2_fs_io_read_init(struct bch_fs *);
-
-#endif /* _BCACHEFS_IO_READ_H */