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Every file system has some default block allocation policy. For instance unix file system scatters the blocks of a file randomly on disk while ext2,ext3 allocates blocks of a file in block groups. Is there any utiltily or system call which can change the default block allocation policy of a file system without modifying the kernel code.

I have created an additional partition in the hard disk and formatted it with ext2 file system. I want to store only multimedia files in this partition. I want to alter the default block allocation policy of ext2 and change it to purely contiguous so that blocks of a multimedia file are stored purely contiguously on my file system partition on hard disk.

  • ext2? Just why? – Braiam Apr 16 '14 at 23:36
  • @Braiam....it can be any file system not juct ext2, its just that I want to do it specifically for ext2. – user269270 Apr 17 '14 at 7:27

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