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Hi, I observed following behaviour. When I'm writing big (200MB+) files to samba share from Windows XP then writing speed is slow. Reading of these files (written from Windows XP) is very slow too. I found that it is caused by framgentation of this file [observed by using debuge2fs]. I tried to figure out what causes this framemtation and it seems that Windows XP is trying to do some optimalizations that are too bad for perfomance. It is trying to preallocate space for this file by writing forward in 32kb blocks where value 0 (zero) is written to the first byte of this 32kb...