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gpt-generator: Find device on a stateless system

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A stateless system has a tmpfs as root file system. That obviously
does not have any block device associated with it. So try falling back
to the device of the /usr filesystem if the root filesystem fails.
This commit is contained in:
Tobias Hunger 2015-04-11 01:52:50 +02:00 committed by Lennart Poettering
parent 9f1a574d50
commit eafe88e34a
1 changed files with 7 additions and 2 deletions
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9
src/gpt-auto-generator/gpt-auto-generator.c
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@ -658,8 +658,13 @@ static int add_mounts(void) {
if (r < 0)
return log_error_errno(r, "Failed to determine block device of root file system: %m");
else if (r == 0) {
log_debug("Root file system not on a (single) block device.");
return 0;
r = get_block_device("/usr", &devno);
if (r < 0)
return log_error_errno(r, "Failed to determine block device of /usr file system: %m");
else if (r == 0) {
log_debug("Neither root nor /usr file system are on a (single) block device.");
return 0;
}
}
return enumerate_partitions(devno);