Re: ffs details
On Wed, Feb 26, 2020 at 03:02:02AM +0100, whistlez...@riseup.net wrote: > Hi, I need some details about ffs, I read the kernel source but my c > knowledge is very basic. I understood all about the superblock but my > problem is understand how the files are allocated on the disk. > Anyone could give me more details about files allocation ? > Thank you. > Did you read the ffs paper https://people.eecs.berkeley.edu/~brewer/cs262/FFS.pdf Some things have changes a bit (like rotational optimization) but the general ideas hold. -Otto
Re: ffs details
On Tue, Feb 25, 2020 at 6:03 PM wrote: > Hi, I need some details about ffs, I read the kernel source but my c > knowledge is very basic. I understood all about the superblock but my > problem is understand how the files are allocated on the disk. > Anyone could give me more details about files allocation ? > You should start from the paper that described the design and implementation: https://www.cs.berkeley.edu/~brewer/cs262/FFS.pdf as linked to from https://en.wikipedia.org/wiki/Unix_File_System Kirk McKusick has continued to revise and improve FFS; many of those changes have been included in OpenBSD. Check his biography and his personal website for links to papers and presentations. Philip Guenther
ffs details
Hi, I need some details about ffs, I read the kernel source but my c knowledge is very basic. I understood all about the superblock but my problem is understand how the files are allocated on the disk. Anyone could give me more details about files allocation ? Thank you.