Btrfs: fix free space cache leak
The free space caching code was recently reworked to cache all the pages it needed instead of using find_get_page everywhere. One loop was missed though, so it ended up leaking pages. This fixes it to use our page array instead of find_get_page. Signed-off-by: Chris Mason <chris.mason@oracle.com>
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@ -732,7 +732,7 @@ int btrfs_write_out_cache(struct btrfs_root *root,
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out_of_space = true;
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break;
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}
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page = find_get_page(inode->i_mapping, index);
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page = pages[index];
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addr = kmap(page);
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memcpy(addr, entry->bitmap, PAGE_CACHE_SIZE);
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