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Btrfs: Fix cow semantic in run_delalloc_nocow() 

The file preallocation code reversed the logic to force nodatacow.
This fixes it.
This commit is contained in:
Liu Hui 2008-12-01 20:31:40 -05:00 committed by Chris Mason
parent ea6a478ed9
commit ce397c0616
1 changed files with 2 additions and 2 deletions
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4
fs/btrfs/inode.c
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@ -1114,10 +1114,10 @@ static int run_delalloc_range(struct inode *inode, struct page *locked_page,
if (btrfs_test_opt(root, NODATACOW) ||
btrfs_test_flag(inode, NODATACOW))
ret = run_delalloc_nocow(inode, locked_page, start, end,
page_started, 0, nr_written);
page_started, 1, nr_written);
else if (btrfs_test_flag(inode, PREALLOC))
ret = run_delalloc_nocow(inode, locked_page, start, end,
page_started, 1, nr_written);
page_started, 0, nr_written);
else
ret = cow_file_range_async(inode, locked_page, start, end,
page_started, nr_written);