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authorSven Eisenberg <sven.eisenberg@novero.com>2016-04-03 21:53:12 +0200
committerDenys Vlasenko <vda.linux@googlemail.com>2016-04-03 22:01:43 +0200
commitb068cf2a7e036da8d0b3533b41886c5605c8139d (patch)
tree0c29bccfabd054c5cafc5dd68e9d161d70bf1286 /miscutils/ubi_tools.c
parentcb9264099822505dc2930cfea0b1f9027a02dc06 (diff)
downloadbusybox-b068cf2a7e036da8d0b3533b41886c5605c8139d.tar.gz
ubirmvol: Implement -N switch for ubirmvol
function old new delta get_volid_by_name - 125 +125 ubi_devnum_from_devname - 43 +43 ubi_tools_main 1215 1220 +5 packed_usage 30674 30655 -19 ubirename_main 394 221 -173 ------------------------------------------------------------------------------ (add/remove: 3/0 grow/shrink: 1/2 up/down: 173/-192) Total: -19 bytes Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
Diffstat (limited to 'miscutils/ubi_tools.c')
-rw-r--r--miscutils/ubi_tools.c29
1 files changed, 19 insertions, 10 deletions
diff --git a/miscutils/ubi_tools.c b/miscutils/ubi_tools.c
index dd1bda300..ac0c56d6b 100644
--- a/miscutils/ubi_tools.c
+++ b/miscutils/ubi_tools.c
@@ -195,7 +195,7 @@ int ubi_tools_main(int argc UNUSED_PARAM, char **argv)
} else
//usage:#define ubimkvol_trivial_usage
-//usage: "UBI_DEVICE -N NAME [-s SIZE | -m]"
+//usage: "-N NAME [-s SIZE | -m] UBI_DEVICE"
//usage:#define ubimkvol_full_usage "\n\n"
//usage: "Create UBI volume\n"
//usage: "\n -a ALIGNMENT Volume alignment (default 1)"
@@ -212,9 +212,7 @@ int ubi_tools_main(int argc UNUSED_PARAM, char **argv)
unsigned num;
char *p;
- if (sscanf(ubi_ctrl, "/dev/ubi%u", &num) != 1)
- bb_error_msg_and_die("wrong format of UBI device name");
-
+ num = ubi_devnum_from_devname(ubi_ctrl);
p = path_sys_class_ubi_ubi + sprintf(path_sys_class_ubi_ubi, "%u/", num);
strcpy(p, "avail_eraseblocks");
@@ -248,20 +246,31 @@ int ubi_tools_main(int argc UNUSED_PARAM, char **argv)
} else
//usage:#define ubirmvol_trivial_usage
-//usage: "UBI_DEVICE -n VOLID"
+//usage: "-n VOLID / -N VOLNAME UBI_DEVICE"
//usage:#define ubirmvol_full_usage "\n\n"
//usage: "Remove UBI volume\n"
//usage: "\n -n VOLID Volume ID"
+//usage: "\n -N VOLNAME Volume name"
if (do_rmvol) {
- if (!(opts & OPTION_n))
+ if (!(opts & (OPTION_n|OPTION_N)))
bb_error_msg_and_die("volume id not specified");
- /* FIXME? kernel expects int32_t* here: */
- xioctl(fd, UBI_IOCRMVOL, &vol_id);
+ if (opts & OPTION_N) {
+ unsigned num = ubi_devnum_from_devname(ubi_ctrl);
+ vol_id = get_volid_by_name(num, vol_name);
+ }
+
+ if (sizeof(vol_id) != 4) {
+ /* kernel expects int32_t* in this ioctl */
+ int32_t t = vol_id;
+ xioctl(fd, UBI_IOCRMVOL, &t);
+ } else {
+ xioctl(fd, UBI_IOCRMVOL, &vol_id);
+ }
} else
//usage:#define ubirsvol_trivial_usage
-//usage: "UBI_DEVICE -n VOLID -s SIZE"
+//usage: "-n VOLID -s SIZE UBI_DEVICE"
//usage:#define ubirsvol_full_usage "\n\n"
//usage: "Resize UBI volume\n"
//usage: "\n -n VOLID Volume ID"
@@ -279,7 +288,7 @@ int ubi_tools_main(int argc UNUSED_PARAM, char **argv)
} else
//usage:#define ubiupdatevol_trivial_usage
-//usage: "UBI_DEVICE [-t | [-s SIZE] IMG_FILE]"
+//usage: "[-t | [-s SIZE] IMG_FILE] UBI_DEVICE"
//usage:#define ubiupdatevol_full_usage "\n\n"
//usage: "Update UBI volume\n"
//usage: "\n -t Truncate to zero size"