Do not need to scan disk every time when we get part info by name.
Signed-off-by: Kever Yang kever.yang@rock-chips.com ---
disk/part.c | 29 +++++++++++++---------------- 1 file changed, 13 insertions(+), 16 deletions(-)
diff --git a/disk/part.c b/disk/part.c index b007138..96c2858 100644 --- a/disk/part.c +++ b/disk/part.c @@ -638,26 +638,23 @@ cleanup: int part_get_info_by_name(struct blk_desc *dev_desc, const char *name, disk_partition_t *info) { - struct part_driver *first_drv = - ll_entry_start(struct part_driver, part_driver); - const int n_drvs = ll_entry_count(struct part_driver, part_driver); struct part_driver *part_drv; + int ret; + int i;
- for (part_drv = first_drv; part_drv != first_drv + n_drvs; part_drv++) { - int ret; - int i; - for (i = 1; i < part_drv->max_entries; i++) { - ret = part_drv->get_info(dev_desc, i, info); - if (ret != 0) { - /* no more entries in table */ - break; - } - if (strcmp(name, (const char *)info->name) == 0) { - /* matched */ - return i; - } + part_drv = part_driver_lookup_type(dev_desc); + for (i = 1; i < part_drv->max_entries; i++) { + ret = part_drv->get_info(dev_desc, i, info); + if (ret != 0) { + /* no more entries in table */ + break; + } + if (strcmp(name, (const char *)info->name) == 0) { + /* matched */ + return i; } } + return -1; }