On Tue Nov 11, 2025 at 2:24 AM IST, Rasmus Villemoes wrote: > Implement a "part name" subcommand, mirroring the existing "part > number" subcommand. > > In the discussion for v1 of that, it came up that there's a bit of > inconsistency in how much and what one can assume to be initialized in > 'struct disk_partition' after a successful call of one of the > get_info* family of functions. Patch 1/2 tries to consolidate > that by making sure all ->get_info invocations go through a common > helper that at least always initializes the string members. > > Quentin, I've taken the liberty of including your Acks, as the > incremental diff in patch 1 is quite minor, but do speak up if I > should not have done that. > > v3: Make sure part_get_type_by_name() can only ever return 0, -ENOSYS > (in case ->get_info is not implemented) and -ENOENT, rather than > anything that ->get_info might return. > > v2: https://lore.kernel.org/u-boot/[email protected]/ >
For the entire series: Tested-by: Anshul Dalal <[email protected]> Logs (on TI AM62x): => part part - disk partition related commands Usage: part uuid <interface> <dev>:<part> - print partition UUID part uuid <interface> <dev>:<part> <varname> - set environment variable to partition UUID part list <interface> <dev> - print a device's partition table part list <interface> <dev> [flags] <varname> - set environment variable to the list of partitions flags can be -bootable (list only bootable partitions) part start <interface> <dev> <part> <varname> - set environment variable to the start of the partition (in blocks) part can be either partition number or partition name part size <interface> <dev> <part> <varname> - set environment variable to the size of the partition (in blocks) part can be either partition number or partition name part number <interface> <dev> <part> <varname> - set environment variable to the partition number using the partition name part must be specified as partition name part name <interface> <dev> <part> <varname> - set environment variable to the partition name using the partition number part must be specified as partition number part set <interface> <dev> type - set partition type for a device part types - list supported partition table types => part list mmc 1 Partition Map for mmc device 1 -- Partition Type: DOS Part Start Sector Num Sectors UUID Type 1 2048 262144 076c4a2a-01 0c Boot 2 264192 417336 076c4a2a-02 83 => part name mmc 1 1 mmcsdb1 => part name mmc 1 2 mmcsdb2 Regards, Anshul > Rasmus Villemoes (2): > disk/part.c: ensure strings in struct disk_partition are valid after > successful get_info > cmd/part.c: implement "part name" subcommand > > cmd/gpt.c | 4 +-- > cmd/part.c | 16 ++++++++++- > disk/part.c | 63 +++++++++++++++++++++++++----------------- > doc/usage/cmd/part.rst | 13 +++++++++ > include/part.h | 16 +++++++++++ > 5 files changed, 83 insertions(+), 29 deletions(-)

