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src/tools/disks.rs; use correct subdir to check holders

This commit is contained in:
Dietmar Maurer 2020-06-05 09:27:48 +02:00
parent 4c1e8855cc
commit f03a0e509e
1 changed files with 13 additions and 11 deletions
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24
src/tools/disks.rs
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@ -436,17 +436,19 @@ impl Disk {
/// another kernel driver like the device mapper.
pub fn has_holders(&self) -> io::Result<bool> {
Ok(*self
.info
.has_holders
.get_or_try_init(|| -> io::Result<bool> {
for entry in std::fs::read_dir(self.syspath())? {
match entry?.file_name().as_bytes() {
b"." | b".." => (),
_ => return Ok(true),
}
}
Ok(false)
})?)
.info
.has_holders
.get_or_try_init(|| -> io::Result<bool> {
let mut subdir = self.syspath().to_owned();
subdir.push("holders");
for entry in std::fs::read_dir(subdir)? {
match entry?.file_name().as_bytes() {
b"." | b".." => (),
_ => return Ok(true),
}
}
Ok(false)
})?)
}
/// Check if this disk is mounted.