On Mon, Sep 03, 2018 at 12:46:11PM +0300, Nikolay Borisov wrote: > Currently btrfs_find_device_by_path, btrfs_find_device_missing_or_by_path and > btrfs_find_device_by_devspec are called in a chain and they all return an > integer value to signal error and at the same time use one of their parameters > as an output. This patch set refactors those functions starting from the > bottom, gradually making them return a pointer to btrfs_device. This is > sufficient to convey an error when it occurs as well as return the actual > device we are looking for. One added benefit is that the ioctl-specific > positive > return value BTRFS_ERROR_DEV_MISSING_NOT_FOUND is now returned from > btrfs_rm_device rather than from some internal function. > > Additionally I'll be sending a patch to progs, adding a test ensuring that > BTRFS_ERROR_MISSING_NOT_FOUND is returned appropriately. > > This survived both my btrfs-progs test as well as xfstest run. No functional > changes. > > > Nikolay Borisov (3): > btrfs: Make btrfs_find_device_by_path return struct btrfs_device > btrfs: Make btrfs_find_device_missing_or_by_path return directly a > device > btrfs: Make btrfs_find_device_by_devspec return btrfs_device directly
Added to misc-next, thanks.