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Daniel Golle
cb60600aec
manage volume state over ubus instead of the rootfs Rework the volume lifecycle around blockd's ubus API, so volume state lives entirely on the self-describing LVM/UBI backing store and never leaks into the firmware rootfs. - register active volumes with blockd over ubus (mount.uc) instead of spooling mounts into /etc/config/fstab (uci.uc) - bootstrap .meta from 'uvol boot' and drop the broken 90-uvol-init uci-default - run 'uvol boot' straight from the mount.ready trigger, and query 'ubus call block status' at service start to cover storage already being ready - defer removal of a volume whose backing device is still held, and reap it from the mount.umount trigger once it is free - enforce content-addressed "<algo>-<hexdigest>" volumes in the dispatcher: reuse an existing volume of the same digest, verify every write - verify a content-addressed write in place while the volume is still incomplete, reporting EBADMSG on mismatch instead of flipping volume state - purge incomplete wo/wp leftovers on boot and reclaim an exactly matching one on create - serialise mutating commands with a device-wide lock, plus a per-volume lock ordered after it so a slow write cannot stall other volumes - add a grow-only 'resize' verb to both backends: lvextend plus the matching fs-grow tool for lvm, ubirsvol for ubi - create ext4 volumes with a journal (was ext2) and request check_fs when registering a read-write volume - declare read-only mounts to blockd rather than letting block guess from the filesystem - reject non-numeric and non-positive sizes in create and resize - report its own version - simplify command line parsing (drop compatibility with ancient ucode) Requires the matching fstools changes from openwrt/openwrt@9b11fa4088. Signed-off-by: Daniel Golle <daniel@makrotopia.org>