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Commit 9afbb0b7 authored by Chris Mason's avatar Chris Mason
Browse files

Btrfs: Disable tree defrag in SSD mode 



Signed-off-by: default avatarChris Mason <chris.mason@oracle.com>
parent df68b8a7

fs/btrfs/extent-tree.c

+2 −1
Original line number Diff line number Diff line
@@ -1835,6 +1835,7 @@ struct extent_buffer *__btrfs_alloc_free_block(struct btrfs_trans_handle *trans, 
			buf->start, buf->start + buf->len - 1,

			EXTENT_CSUM, GFP_NOFS);

	buf->flags |= EXTENT_CSUM;

	if (!btrfs_test_opt(root, SSD))

		btrfs_set_buffer_defrag(buf);

	trans->blocks_used++;

	return buf;

fs/btrfs/tree-defrag.c

+3 −0
Original line number Diff line number Diff line
@@ -179,6 +179,9 @@ int btrfs_defrag_leaves(struct btrfs_trans_handle *trans, 
	if (root->ref_cows == 0 && !is_extent)

		goto out;



	if (btrfs_test_opt(root, SSD))

		goto out;



	path = btrfs_alloc_path();

	if (!path)

		return -ENOMEM;