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| author | Marek Behún <marek.behun@nic.cz> | 2017-09-03 15:00:30 (GMT) |
|---|---|---|
| committer | Tom Rini <trini@konsulko.com> | 2017-10-03 01:52:18 (GMT) |
| commit | 9d845509553e3c07414259ea97e4f59a3fe65904 (patch) | |
| tree | 3de68025da896761c5d0e0a73cb3e003fc2c93b3 | |
| parent | 0c936ee3194ac5b533a18fcd08e5d285853af5fe (diff) | |
| download | u-boot-9d845509553e3c07414259ea97e4f59a3fe65904.tar.xz | |
cmd: Add the 'btrsubvol' command to list BTRFS subvolumes
Signed-off-by: Marek Behun <marek.behun@nic.cz>
create mode 100644 cmd/btrfs.c
| -rw-r--r-- | cmd/Kconfig | 10 | ||||
| -rw-r--r-- | cmd/Makefile | 1 | ||||
| -rw-r--r-- | cmd/btrfs.c | 28 |
3 files changed, 39 insertions, 0 deletions
diff --git a/cmd/Kconfig b/cmd/Kconfig index 3ef9b16..07ec03b 100644 --- a/cmd/Kconfig +++ b/cmd/Kconfig @@ -1313,6 +1313,16 @@ config CMD_CROS_EC endmenu menu "Filesystem commands" +config CMD_BTRFS + bool "Enable the 'btrsubvol' command" + select FS_BTRFS + help + This enables the 'btrsubvol' command to list subvolumes + of a BTRFS filesystem. There are no special commands for + listing BTRFS directories or loading BTRFS files - this + can be done by the generic 'fs' commands (see CMD_FS_GENERIC) + when BTRFS is enabled (see FS_BTRFS). + config CMD_CBFS bool "Enable the 'cbfs' command" depends on FS_CBFS diff --git a/cmd/Makefile b/cmd/Makefile index 2a5b8ce..2b0444d 100644 --- a/cmd/Makefile +++ b/cmd/Makefile @@ -27,6 +27,7 @@ obj-$(CONFIG_CMD_BOOTMENU) += bootmenu.o obj-$(CONFIG_CMD_BOOTSTAGE) += bootstage.o obj-$(CONFIG_CMD_BOOTZ) += bootz.o obj-$(CONFIG_CMD_BOOTI) += booti.o +obj-$(CONFIG_CMD_BTRFS) += btrfs.o obj-$(CONFIG_CMD_CACHE) += cache.o obj-$(CONFIG_CMD_CBFS) += cbfs.o obj-$(CONFIG_CMD_CLK) += clk.o diff --git a/cmd/btrfs.c b/cmd/btrfs.c new file mode 100644 index 0000000..3f4f1b7 --- /dev/null +++ b/cmd/btrfs.c @@ -0,0 +1,28 @@ +/* + * 2017 by Marek Behun <marek.behun@nic.cz> + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#include <common.h> +#include <command.h> +#include <btrfs.h> +#include <fs.h> + +int do_btrsubvol(cmd_tbl_t *cmdtp, int flag, int argc, char *const argv[]) +{ + if (argc != 3) + return CMD_RET_USAGE; + + if (fs_set_blk_dev(argv[1], argv[2], FS_TYPE_BTRFS)) + return 1; + + btrfs_list_subvols(); + return 0; +} + +U_BOOT_CMD(btrsubvol, 3, 1, do_btrsubvol, + "list subvolumes of a BTRFS filesystem", + "<interface> <dev[:part]>\n" + " - List subvolumes of a BTRFS filesystem." +) |