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Commit 0c9ab349 authored by Jeff Mahoney's avatar Jeff Mahoney Committed by David Sterba
Browse files

btrfs: flush_space always takes fs_info->fs_root 



We don't need to pass a root to flush_space since it always uses
the fs_root.

Signed-off-by: default avatarJeff Mahoney <jeffm@suse.com>
Signed-off-by: default avatarDavid Sterba <dsterba@suse.com>
parent 87bde3cd

fs/btrfs/extent-tree.c

+10 −10
Original line number Diff line number Diff line
@@ -4797,11 +4797,10 @@ static void shrink_delalloc(struct btrfs_root *root, u64 to_reclaim, u64 orig, 
 * get us somewhere and then commit the transaction if it does.  Otherwise it

 * will return -ENOSPC.

 */

static int may_commit_transaction(struct btrfs_root *root,

static int may_commit_transaction(struct btrfs_fs_info *fs_info,

				  struct btrfs_space_info *space_info,

				  u64 bytes, int force)

{

	struct btrfs_fs_info *fs_info = root->fs_info;

	struct btrfs_block_rsv *delayed_rsv = &fs_info->delayed_block_rsv;

	struct btrfs_trans_handle *trans;
@@ -4833,7 +4832,7 @@ static int may_commit_transaction(struct btrfs_root *root, 
	spin_unlock(&delayed_rsv->lock);



commit:

	trans = btrfs_join_transaction(root);

	trans = btrfs_join_transaction(fs_info->fs_root);

	if (IS_ERR(trans))

		return -ENOSPC;
@@ -4847,11 +4846,11 @@ struct reserve_ticket { 
	wait_queue_head_t wait;

};



static int flush_space(struct btrfs_root *root,

static int flush_space(struct btrfs_fs_info *fs_info,

		       struct btrfs_space_info *space_info, u64 num_bytes,

		       u64 orig_bytes, int state)

{

	struct btrfs_fs_info *fs_info = root->fs_info;

	struct btrfs_root *root = fs_info->fs_root;

	struct btrfs_trans_handle *trans;

	int nr;

	int ret = 0;
@@ -4891,7 +4890,8 @@ static int flush_space(struct btrfs_root *root, 
			ret = 0;

		break;

	case COMMIT_TRANS:

		ret = may_commit_transaction(root, space_info, orig_bytes, 0);

		ret = may_commit_transaction(fs_info, space_info,

					     orig_bytes, 0);

		break;

	default:

		ret = -ENOSPC;
@@ -5003,8 +5003,8 @@ static void btrfs_async_reclaim_metadata_space(struct work_struct *work) 
		struct reserve_ticket *ticket;

		int ret;



		ret = flush_space(fs_info->fs_root, space_info, to_reclaim,

			    to_reclaim, flush_state);

		ret = flush_space(fs_info, space_info, to_reclaim, to_reclaim,

				  flush_state);

		spin_lock(&space_info->lock);

		if (list_empty(&space_info->tickets)) {

			space_info->flush = 0;
@@ -5059,8 +5059,8 @@ static void priority_reclaim_metadata_space(struct btrfs_fs_info *fs_info, 
	spin_unlock(&space_info->lock);



	do {

		flush_space(fs_info->fs_root, space_info, to_reclaim,

			    to_reclaim, flush_state);

		flush_space(fs_info, space_info, to_reclaim, to_reclaim,

			    flush_state);

		flush_state++;

		spin_lock(&space_info->lock);

		if (ticket->bytes == 0) {