I'm using extroot on SD card in 4G dongle attached to USB of my TP-Link Archer
C2. For reasons unknown to me it started to take more than 10 seconds to show
among devices, this patch adds 2 more detection attempts/delays to already
existing 5s.
---
diff --git a/block.c b/block.c
index b377429..c01deb0 100644
--- a/block.c
+++ b/block.c
@@ -497,6 +497,15 @@
return probe_path(path);
}
+static void _add_absent(struct probe_info *pr)
+{
+ struct probe_info *existing;
+ list_for_each_entry(existing, &devices, list)
+ if (!strcasecmp(existing->dev, pr->dev))
+ return;
+ list_add_tail(&pr->list, &devices);
+}
+
static int _cache_load(const char *path)
{
int gl_flags = GLOB_NOESCAPE | GLOB_MARK;
@@ -509,7 +518,7 @@
for (j = 0; j < gl.gl_pathc; j++) {
struct probe_info *pr = _probe_path(gl.gl_pathv[j]);
if (pr)
- list_add_tail(&pr->list, &devices);
+ _add_absent(pr);
}
globfree(&gl);
@@ -1407,6 +1416,7 @@
struct probe_info *pr;
struct mount *m;
int err = -1;
+ int delay_count = 3; // better safe than sorry, 2 should be enough,
hell, even 1
/* Load @cfg/etc/config/fstab */
if (config_load(cfg))
@@ -1426,7 +1436,7 @@
/* Find block device pointed by the mount config */
pr = find_block_info(m->uuid, m->label, m->device);
- if (!pr && delay_root){
+ while (!pr && delay_root && delay_count--) {
ULOG_INFO("extroot: device not present, retrying in %u seconds\n",
delay_root);
sleep(delay_root);
make_devs();
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