On Mon, Apr 23, 2012 at 6:03 PM, Bean <bean12...@gmail.com> wrote: > Hi, > >>>>> 2, Previous version doesn't return blocklist information for small >>>>> files embed in MFT, this patch fixes it. For example, create a >>>>> 512-byte file test in ntfs and try this command: >>>>> >>>>> grub-fstest /ntfs.img blocklist /test >>>> It looks like this part of patch has issues. Like that it doesn't handle >>>> the case when the read is split across 2 sectors or if MFT entry is at >>>> offset >=1024. Or that it adds some checks (like "invalid mft offset") >>>> which weren't there previously and which would make GRUB bail out on >>>> weird FS even if user doesn't want blocklists. >>> MFT in ntfs is only 1024 bytes, and it must be sector aligned, so if >>> this test fails, there is serious problem with the fs (or the driver). >> Is it true for 4K sector NTFS? > > Yeah, I've tried 64K block size and MFT is still 1024 bytes, it just > pack multiple MFT in a single allocation unit.
When I formated a disk with 4K sectors in Windows it used a complete sector for each MFT record. The block size is not relevant for the MFT record size, but the sector size of the disk is. _______________________________________________ Grub-devel mailing list Grub-devel@gnu.org https://lists.gnu.org/mailman/listinfo/grub-devel
