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Btrfs: Add 1MB to the min_free in alloc_chunk
This properly reflects the first 1MB we skip at the start of the device Signed-off-by: Chris Mason <chris.mason@oracle.com>
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@ -746,6 +746,9 @@ again:
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else
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min_free = calc_size;
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/* we add 1MB because we never use the first 1MB of the device */
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min_free += 1024 * 1024;
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/* build a private list of devices we will allocate from */
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while(index < num_stripes) {
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device = list_entry(cur, struct btrfs_device, dev_list);
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