On Fri, Mar 29, 2013 at 3:28 PM, Tobias Boege <tobias@xxxxxxxxxxxxxx> wrote: > On Fri, 29 Mar 2013, Sankar P wrote: >> Hi, >> >> I am trying to write a simple filesystem to learn the basics of it. >> >> I have decided on a simple layout for my filesystem where the first >> block will be the super block and will contain the version >> information etc. The second block will contain the list of inodes. >> Third block onwards will be data blocks. Each file can grow only up to >> a single block size. Thrid block will represent the first file, fourth >> block for the second file and so on. Directories will not be >> supported. >> >> Now I want to create a mkfs for my filesystem as mentioned above. But >> I am not able to find out how to do the mkfs for my filesystem such >> that the generic mkfs utility will understand my filesystem. What APIs >> should I be using ? >> >> Any help is appreciated. Thanks. > > According to my copy of the mkfs sources, you just have to create a program > named "mkfs.ID" where ID identifies your filesystem. Then put that program > in a location that the generic mkfs can find, i.e. under $PATH (mkfs seems > to make some additions to PATH but you should figure this out yourself). > > Finally, calling "mkfs -t ID" makes mkfs search for a program named > "mkfs.ID" - simple concatenation. > oh okay. But how do I create the superblock ? What are the APIs available to do these block level operations from a user space application (my mkfs program ) ? Thanks. -- Sankar P http://psankar.blogspot.com _______________________________________________ Kernelnewbies mailing list Kernelnewbies@xxxxxxxxxxxxxxxxx http://lists.kernelnewbies.org/mailman/listinfo/kernelnewbies
