On Wed, Aug 07, 2013 at 01:18:26PM -0700, Christoph Hellwig wrote: > On Wed, Aug 07, 2013 at 12:57:18PM -0700, Mark Fasheh wrote: > > stat(2) on btrfs returns a custom device, but proc uses s_dev from the super > > block. This causes problems (abi breakage) because software (and users) are > > not expecting the kernel to return different devices from these calls. > > So fix stat on btrfs to return the proper device instead. >
Not possible, this will break other things as subvolumes have their own inode space, it will confuse applications that get multiples of an inode number for different devices with the same st_dev. Each subvolume has it's own anonymous dev to segregate things. Thanks, Josef -- To unsubscribe from this list: send the line "unsubscribe linux-btrfs" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
