1 files changed, 16 insertions, 25 deletions

diff --git a/fs/btrfs/relocation.c b/fs/btrfs/relocation.c
index 33a0ee7ac590..f5465197996d 100644
--- a/fs/btrfs/relocation.c
+++ b/fs/btrfs/relocation.c
@@ -26,6 +26,7 @@
 #include "misc.h"
 #include "subpage.h"
 #include "zoned.h"
+#include "inode-item.h"
 
 /*
  * Relocation overview
@@ -1736,7 +1737,8 @@ static noinline_for_stack int merge_reloc_root(struct reloc_control *rc,
 	memset(&next_key, 0, sizeof(next_key));
 
 	while (1) {
-		ret = btrfs_block_rsv_refill(root, rc->block_rsv, min_reserved,
+		ret = btrfs_block_rsv_refill(fs_info, rc->block_rsv,
+					     min_reserved,
 					     BTRFS_RESERVE_FLUSH_LIMIT);
 		if (ret)
 			goto out;
@@ -1855,7 +1857,7 @@ int prepare_to_merge(struct reloc_control *rc, int err)
 again:
 	if (!err) {
 		num_bytes = rc->merging_rsv_size;
-		ret = btrfs_block_rsv_add(root, rc->block_rsv, num_bytes,
+		ret = btrfs_block_rsv_add(fs_info, rc->block_rsv, num_bytes,
 					  BTRFS_RESERVE_FLUSH_ALL);
 		if (ret)
 			err = ret;
@@ -2323,8 +2325,8 @@ static int reserve_metadata_space(struct btrfs_trans_handle *trans,
 	 * If we get an enospc just kick back -EAGAIN so we know to drop the
 	 * transaction and try to refill when we can flush all the things.
 	 */
-	ret = btrfs_block_rsv_refill(root, rc->block_rsv, num_bytes,
-				BTRFS_RESERVE_FLUSH_LIMIT);
+	ret = btrfs_block_rsv_refill(fs_info, rc->block_rsv, num_bytes,
+				     BTRFS_RESERVE_FLUSH_LIMIT);
 	if (ret) {
 		tmp = fs_info->nodesize * RELOCATION_RESERVED_NODES;
 		while (tmp <= rc->reserved_bytes)
@@ -3149,7 +3151,7 @@ static int add_tree_block(struct reloc_control *rc,
 	u64 owner = 0;
 
 	eb =  path->nodes[0];
-	item_size = btrfs_item_size_nr(eb, path->slots[0]);
+	item_size = btrfs_item_size(eb, path->slots[0]);
 
 	if (extent_key->type == BTRFS_METADATA_ITEM_KEY ||
 	    item_size >= sizeof(*ei) + sizeof(*bi)) {
@@ -3550,7 +3552,7 @@ int prepare_to_relocate(struct reloc_control *rc)
 	rc->reserved_bytes = 0;
 	rc->block_rsv->size = rc->extent_root->fs_info->nodesize *
 			      RELOCATION_RESERVED_NODES;
-	ret = btrfs_block_rsv_refill(rc->extent_root,
+	ret = btrfs_block_rsv_refill(rc->extent_root->fs_info,
 				     rc->block_rsv, rc->block_rsv->size,
 				     BTRFS_RESERVE_FLUSH_ALL);
 	if (ret)
@@ -3598,9 +3600,9 @@ static noinline_for_stack int relocate_block_group(struct reloc_control *rc)
 
 	while (1) {
 		rc->reserved_bytes = 0;
-		ret = btrfs_block_rsv_refill(rc->extent_root,
-					rc->block_rsv, rc->block_rsv->size,
-					BTRFS_RESERVE_FLUSH_ALL);
+		ret = btrfs_block_rsv_refill(fs_info, rc->block_rsv,
+					     rc->block_rsv->size,
+					     BTRFS_RESERVE_FLUSH_ALL);
 		if (ret) {
 			err = ret;
 			break;
@@ -3858,25 +3860,14 @@ out:
  *   0             success
  *   -EINPROGRESS  operation is already in progress, that's probably a bug
  *   -ECANCELED    cancellation request was set before the operation started
- *   -EAGAIN       can not start because there are ongoing send operations
  */
 static int reloc_chunk_start(struct btrfs_fs_info *fs_info)
 {
-	spin_lock(&fs_info->send_reloc_lock);
-	if (fs_info->send_in_progress) {
-		btrfs_warn_rl(fs_info,
-"cannot run relocation while send operations are in progress (%d in progress)",
-			      fs_info->send_in_progress);
-		spin_unlock(&fs_info->send_reloc_lock);
-		return -EAGAIN;
-	}
 	if (test_and_set_bit(BTRFS_FS_RELOC_RUNNING, &fs_info->flags)) {
 		/* This should not happen */
-		spin_unlock(&fs_info->send_reloc_lock);
 		btrfs_err(fs_info, "reloc already running, cannot start");
 		return -EINPROGRESS;
 	}
-	spin_unlock(&fs_info->send_reloc_lock);
 
 	if (atomic_read(&fs_info->reloc_cancel_req) > 0) {
 		btrfs_info(fs_info, "chunk relocation canceled on start");
@@ -3898,9 +3889,7 @@ static void reloc_chunk_end(struct btrfs_fs_info *fs_info)
 	/* Requested after start, clear bit first so any waiters can continue */
 	if (atomic_read(&fs_info->reloc_cancel_req) > 0)
 		btrfs_info(fs_info, "chunk relocation canceled during operation");
-	spin_lock(&fs_info->send_reloc_lock);
 	clear_and_wake_up_bit(BTRFS_FS_RELOC_RUNNING, &fs_info->flags);
-	spin_unlock(&fs_info->send_reloc_lock);
 	atomic_set(&fs_info->reloc_cancel_req, 0);
 }
 
@@ -3963,7 +3952,7 @@ static const char *stage_to_string(int stage)
 int btrfs_relocate_block_group(struct btrfs_fs_info *fs_info, u64 group_start)
 {
 	struct btrfs_block_group *bg;
-	struct btrfs_root *extent_root = fs_info->extent_root;
+	struct btrfs_root *extent_root = btrfs_extent_root(fs_info, group_start);
 	struct reloc_control *rc;
 	struct inode *inode;
 	struct btrfs_path *path;
@@ -4214,7 +4203,7 @@ int btrfs_recover_relocation(struct btrfs_root *root)
 		goto out_end;
 	}
 
-	rc->extent_root = fs_info->extent_root;
+	rc->extent_root = btrfs_extent_root(fs_info, 0);
 
 	set_reloc_control(rc);
 
@@ -4305,6 +4294,7 @@ out:
 int btrfs_reloc_clone_csums(struct btrfs_inode *inode, u64 file_pos, u64 len)
 {
 	struct btrfs_fs_info *fs_info = inode->root->fs_info;
+	struct btrfs_root *csum_root;
 	struct btrfs_ordered_sum *sums;
 	struct btrfs_ordered_extent *ordered;
 	int ret;
@@ -4316,7 +4306,8 @@ int btrfs_reloc_clone_csums(struct btrfs_inode *inode, u64 file_pos, u64 len)
 	BUG_ON(ordered->file_offset != file_pos || ordered->num_bytes != len);
 
 	disk_bytenr = file_pos + inode->index_cnt;
-	ret = btrfs_lookup_csums_range(fs_info->csum_root, disk_bytenr,
+	csum_root = btrfs_csum_root(fs_info, disk_bytenr);
+	ret = btrfs_lookup_csums_range(csum_root, disk_bytenr,
 				       disk_bytenr + len - 1, &list, 0);
 	if (ret)
 		goto out;