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Btrfs: Disable tree defrag in SSD mode 

Signed-off-by: Chris Mason <chris.mason@oracle.com>
This commit is contained in:
Chris Mason 2008-02-15 13:19:35 -05:00
parent df68b8a7ad
commit 9afbb0b752
2 changed files with 5 additions and 1 deletions
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3
fs/btrfs/extent-tree.c
View File

@ -1835,7 +1835,8 @@ 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;
btrfs_set_buffer_defrag(buf);
if (!btrfs_test_opt(root, SSD))
btrfs_set_buffer_defrag(buf);
trans->blocks_used++;
return buf;
}

3
fs/btrfs/tree-defrag.c
View File

@ -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;