On 08/28/2010 10:24 AM, Patrick O'Callaghan wrote: > On Sat, 2010-08-28 at 07:42 -0700, JD wrote: >>> However note that neither of these methods guarantees to scrub >> indirect >>> blocks in the filesystem that were used to create the space-filling >>> files. Maybe they do, maybe they don't, it's not clear. >>> >>> poc >>> >> Very good. >> Actually, indirect blocks are used if and only if the file is larger >> than what can be addressed via direct blocks. >> So, scrub has no interest in whether or not a file has indirect >> blocks, nor should it care if blocks are direct or indirect. >> During file access, the file system will access ANY file block(s) >> that the process has the right permissions for. > So what? My point is that after scrubbing and removal of the > space-filling files, you may be left with a number of sectors that were > used for indirect blocks during the space-filling phase of the scrub > process. These sectors may not themselves be scrubbed but will now be > available on the free list after you're done. > > poc > You need to study filesystem architecture to gain better understanding. -- users mailing list users@xxxxxxxxxxxxxxxxxxxxxxx To unsubscribe or change subscription options: https://admin.fedoraproject.org/mailman/listinfo/users Guidelines: http://fedoraproject.org/wiki/Mailing_list_guidelines
