Commit 7bfc1007 authored by Nikolay Borisov's avatar Nikolay Borisov Committed by David Sterba
Browse files

btrfs: Make btrfs_pin_reserved_extent take transaction handle 



btrfs_pin_reserved_extent is now only called with a valid transaction so
exploit the fact to take a transaction. This is preparation for tracking
pinned extents on a per-transaction basis.

Reviewed-by: default avatarJosef Bacik <josef@toxicpanda.com>
Signed-off-by: default avatarNikolay Borisov <nborisov@suse.com>
Reviewed-by: default avatarDavid Sterba <dsterba@suse.com>
Signed-off-by: default avatarDavid Sterba <dsterba@suse.com>
parent 10e958d5

fs/btrfs/ctree.h

+1 −1
Original line number Diff line number Diff line
@@ -2501,7 +2501,7 @@ int btrfs_free_extent(struct btrfs_trans_handle *trans, struct btrfs_ref *ref); 


int btrfs_free_reserved_extent(struct btrfs_fs_info *fs_info,

			       u64 start, u64 len, int delalloc);

int btrfs_pin_reserved_extent(struct btrfs_fs_info *fs_info, u64 start,

int btrfs_pin_reserved_extent(struct btrfs_trans_handle *trans, u64 start,

			      u64 len);

void btrfs_prepare_extent_commit(struct btrfs_fs_info *fs_info);

int btrfs_finish_extent_commit(struct btrfs_trans_handle *trans);

fs/btrfs/extent-tree.c

+5 −3
Original line number Diff line number Diff line
@@ -4184,14 +4184,16 @@ int btrfs_free_reserved_extent(struct btrfs_fs_info *fs_info, 
	return 0;

}



int btrfs_pin_reserved_extent(struct btrfs_fs_info *fs_info, u64 start, u64 len)

int btrfs_pin_reserved_extent(struct btrfs_trans_handle *trans, u64 start,

			      u64 len)

{

	struct btrfs_block_group *cache;

	int ret = 0;



	cache = btrfs_lookup_block_group(fs_info, start);

	cache = btrfs_lookup_block_group(trans->fs_info, start);

	if (!cache) {

		btrfs_err(fs_info, "unable to find block group for %llu", start);

		btrfs_err(trans->fs_info, "unable to find block group for %llu",

			  start);

		return -ENOSPC;

	}

fs/btrfs/tree-log.c

+3 −3
Original line number Diff line number Diff line
@@ -2745,7 +2745,7 @@ static noinline int walk_down_log_tree(struct btrfs_trans_handle *trans, 
					btrfs_clean_tree_block(next);

					btrfs_wait_tree_block_writeback(next);

					btrfs_tree_unlock(next);

					ret = btrfs_pin_reserved_extent(fs_info,

					ret = btrfs_pin_reserved_extent(trans,

							bytenr, blocksize);

					if (ret) {

						free_extent_buffer(next);
@@ -2814,7 +2814,7 @@ static noinline int walk_up_log_tree(struct btrfs_trans_handle *trans, 
					btrfs_clean_tree_block(next);

					btrfs_wait_tree_block_writeback(next);

					btrfs_tree_unlock(next);

					ret = btrfs_pin_reserved_extent(fs_info,

					ret = btrfs_pin_reserved_extent(trans,

						     path->nodes[*level]->start,

						     path->nodes[*level]->len);

					if (ret)
@@ -2896,7 +2896,7 @@ static int walk_log_tree(struct btrfs_trans_handle *trans, 
				btrfs_clean_tree_block(next);

				btrfs_wait_tree_block_writeback(next);

				btrfs_tree_unlock(next);

				ret = btrfs_pin_reserved_extent(fs_info,

				ret = btrfs_pin_reserved_extent(trans,

						next->start, next->len);

				if (ret)

					goto out;

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