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vector at the end of the file will be aligned to the given value. * BFS uses an alignment of 512 bytes (should be block size of the underlying device or BFS block size, whatever is less), which should be fine, since file data are only stored in BFS blocks. This totally avoids any partial operations at the I/O scheduler level, thus saving disk operations. Not that I could measure any performance difference. Theoretically it should help a lot though, particularly when dealing with lots of small files, since we avoid using bounce buffers, which are (a) limited in number and (b) require copying of the data. git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@27246 a95241bf-73f2-0310-859d-f6bbb57e9c96