On Mon, May 13, 2013 at 1:35 PM, shampavman <shampavman.cg@xxxxxxxxx> wrote: > Hi all, > > Supposing i create a file of size 10K, it will occupy 2 blocks (4K each). > Now if i want to read only 1 block from it how can i do it? > It will require 3 blocks. > read(fd, buf, 4096) ; > would this mean i would read the first block and all its contents? > It may be read even further (readahead) If you are in kernel mode, and if you want to implement your own filesystem and want to read a single block, you can use the sb_bread function. -- Sankar P http://psankar.blogspot.com _______________________________________________ Kernelnewbies mailing list Kernelnewbies@xxxxxxxxxxxxxxxxx http://lists.kernelnewbies.org/mailman/listinfo/kernelnewbies
