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Andrew Morton authored
Implement buffer_boundary() for ext3. buffer_boundary() is an I/O scheduling hint which the filesystem's get_block() function passes up to the BIO assembly code. It is described in fs/mpage.c The time to read 1,000 52 kbyte files goes from 8.6 seconds down to 2.9 seconds. 52 kbytes is the worst-case size.
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