On 2018年05月10日 22:43, David Sterba wrote: > On Tue, Apr 24, 2018 at 12:48:05PM +0800, Qu Wenruo wrote: >> This patchset can be fetched from github: >> https://github.com/adam900710/linux/tree/write_time_sb_check >> >> We have 2 reports about corrupted btrfs super block, which has some garbage >> in its super block, but otherwise it's completely fine and its csum even >> matches. >> >> This means we develop memory corruption during btrfs mount time. >> It's not clear whether it's caused by btrfs or some other kernel module, >> but at least let's do write time verification to catch such corruption >> early. >> >> Changelog: >> v2: >> Rename btrfs_check_super_valid() to btrfs_validate_super() suggested >> by Nikolay and David. >> >> Qu Wenruo (4): >> btrfs: Rename btrfs_check_super_valid() to btrfs_validate_super() >> btrfs: Add incompat flags check for btrfs_check_super_valid() >> btrfs: Add csum type check for btrfs_check_super_valid() >> btrfs: Do super block verification before writing it to disk > > IIRC there were some comments about the overal structure of the checks, > but I can't find V3 of the patchset. Can you please resend it or point > me to it in case I missed it? Thanks. Sorry, forgot to update the patchset, would send them out soon. Thanks, Qu > -- > To unsubscribe from this list: send the line "unsubscribe linux-btrfs" in > the body of a message to majordomo@xxxxxxxxxxxxxxx > More majordomo info at http://vger.kernel.org/majordomo-info.html >
Attachment:
signature.asc
Description: OpenPGP digital signature
