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Commit 4b30b6d1 authored by Linus Torvalds's avatar Linus Torvalds
Browse files

Merge branch 'for-linus-4.8' of git://git.kernel.org/pub/scm/linux/kernel/git/mason/linux-btrfs 

Pull btrfs fixes from Chris Mason:
 "I'm still prepping a set of fixes for btrfs fsync, just nailing down a
  hard to trigger memory corruption.  For now, these are tested and ready."

* 'for-linus-4.8' of git://git.kernel.org/pub/scm/linux/kernel/git/mason/linux-btrfs:
  btrfs: fix one bug that process may endlessly wait for ticket in wait_reserve_ticket()
  Btrfs: fix endless loop in balancing block groups
  Btrfs: kill invalid ASSERT() in process_all_refs()
parents 2bece1a0 cb887083

fs/btrfs/extent-tree.c

+5 −5
Original line number Diff line number Diff line
@@ -4901,11 +4901,6 @@ btrfs_calc_reclaim_metadata_size(struct btrfs_root *root, 
	u64 expected;

	u64 to_reclaim = 0;



	to_reclaim = min_t(u64, num_online_cpus() * SZ_1M, SZ_16M);

	if (can_overcommit(root, space_info, to_reclaim,

			   BTRFS_RESERVE_FLUSH_ALL))

		return 0;



	list_for_each_entry(ticket, &space_info->tickets, list)

		to_reclaim += ticket->bytes;

	list_for_each_entry(ticket, &space_info->priority_tickets, list)
@@ -4913,6 +4908,11 @@ btrfs_calc_reclaim_metadata_size(struct btrfs_root *root, 
	if (to_reclaim)

		return to_reclaim;



	to_reclaim = min_t(u64, num_online_cpus() * SZ_1M, SZ_16M);

	if (can_overcommit(root, space_info, to_reclaim,

			   BTRFS_RESERVE_FLUSH_ALL))

		return 0;



	used = space_info->bytes_used + space_info->bytes_reserved +

	       space_info->bytes_pinned + space_info->bytes_readonly +

	       space_info->bytes_may_use;

fs/btrfs/relocation.c

+5 −3
Original line number Diff line number Diff line
@@ -4200,9 +4200,11 @@ static noinline_for_stack int relocate_block_group(struct reloc_control *rc) 
		err = PTR_ERR(trans);

		goto out_free;

	}

	err = qgroup_fix_relocated_data_extents(trans, rc);

	if (err < 0) {

		btrfs_abort_transaction(trans, err);

	ret = qgroup_fix_relocated_data_extents(trans, rc);

	if (ret < 0) {

		btrfs_abort_transaction(trans, ret);

		if (!err)

			err = ret;

		goto out_free;

	}

	btrfs_commit_transaction(trans, rc->extent_root);

fs/btrfs/send.c

+5 −3
Original line number Diff line number Diff line
@@ -4268,10 +4268,12 @@ static int process_all_refs(struct send_ctx *sctx, 
	}

	btrfs_release_path(path);



	/*

	 * We don't actually care about pending_move as we are simply

	 * re-creating this inode and will be rename'ing it into place once we

	 * rename the parent directory.

	 */

	ret = process_recorded_refs(sctx, &pending_move);

	/* Only applicable to an incremental send. */

	ASSERT(pending_move == 0);



out:

	btrfs_free_path(path);

	return ret;