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cmd: ubi: add a command to rename volume

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This commit adds the command ubi rename to rename an ubi volume.
The format of the command is: ubi rename <oldname> <newname>.
To enable this command, the option CMD_UBI_RENAME must be selected.

Signed-off-by: Philippe Reynes <philippe.reynes@softathome.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
This commit is contained in:
Philippe Reynes
2020-03-23 19:20:47 +01:00
committed by Heiko Schocher
parent 8d5d3bcf3c
commit 83f7078b68
2 changed files with 47 additions and 0 deletions
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8
cmd/Kconfig
View File

@@ -2173,6 +2173,14 @@ config CMD_UBI
It is also strongly encouraged to also enable CONFIG_MTD to get full It is also strongly encouraged to also enable CONFIG_MTD to get full
partition support. partition support.
config CMD_UBI_RENAME
bool "Enable rename"
depends on CMD_UBI
default n
help
Enable a "ubi" command to rename ubi volume:
ubi rename <oldname> <newname>
config CMD_UBIFS config CMD_UBIFS
tristate "Enable UBIFS - Unsorted block images filesystem commands" tristate "Enable UBIFS - Unsorted block images filesystem commands"
depends on CMD_UBI depends on CMD_UBI

39
cmd/ubi.c
View File

@@ -251,6 +251,39 @@ out_err:
return err; return err;
} }
static int ubi_rename_vol(char *oldname, char *newname)
{
struct ubi_volume *vol;
struct ubi_rename_entry rename;
struct ubi_volume_desc desc;
struct list_head list;
vol = ubi_find_volume(oldname);
if (!vol) {
printf("%s: volume %s doesn't exist\n", __func__, oldname);
return ENODEV;
}
printf("Rename UBI volume %s to %s\n", oldname, newname);
if (ubi->ro_mode) {
printf("%s: ubi device is in read-only mode\n", __func__);
return EROFS;
}
rename.new_name_len = strlen(newname);
strcpy(rename.new_name, newname);
rename.remove = 0;
desc.vol = vol;
desc.mode = 0;
rename.desc = &desc;
INIT_LIST_HEAD(&rename.list);
INIT_LIST_HEAD(&list);
list_add(&rename.list, &list);
return ubi_rename_volumes(ubi, &list);
}
static int ubi_volume_continue_write(char *volume, void *buf, size_t size) static int ubi_volume_continue_write(char *volume, void *buf, size_t size)
{ {
int err = 1; int err = 1;
@@ -604,6 +637,9 @@ static int do_ubi(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
return ubi_remove_vol(argv[2]); return ubi_remove_vol(argv[2]);
} }
if (IS_ENABLED(CONFIG_CMD_UBI_RENAME) && !strncmp(argv[1], "rename", 6))
return ubi_rename_vol(argv[2], argv[3]);
if (strncmp(argv[1], "skipcheck", 9) == 0) { if (strncmp(argv[1], "skipcheck", 9) == 0) {
/* E.g., change skip_check flag */ /* E.g., change skip_check flag */
if (argc == 4) { if (argc == 4) {
@@ -692,6 +728,9 @@ U_BOOT_CMD(
" - Read volume to address with size\n" " - Read volume to address with size\n"
"ubi remove[vol] volume" "ubi remove[vol] volume"
" - Remove volume\n" " - Remove volume\n"
#if IS_ENABLED(CONFIG_CMD_UBI_RENAME)
"ubi rename oldname newname\n"
#endif
"ubi skipcheck volume on/off - Set or clear skip_check flag in volume header\n" "ubi skipcheck volume on/off - Set or clear skip_check flag in volume header\n"
"[Legends]\n" "[Legends]\n"
" volume: character name\n" " volume: character name\n"