This looks like a typo: (line 2341 of fs/buffer.c in unpatched 2.4.0 line 2345 of fs/buffer.c in 2.4.1-pre8) #define buffer_busy(bh) (atomic_read(&(bh)->b_count) | ((bh)->b_state & BUFFER_BUSY_BITS)) surely, it should be: #define buffer_busy(bh) (atomic_read(&(bh)->b_count) || ((bh)->b_state & BUFFER_BUSY_BITS)) i.e. logical OR instead of bitwise. Shouldn't it? -Steve Ellmore - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] Please read the FAQ at http://www.tux.org/lkml/