otherwise we leak those descriptors and run into EMFILE when a backup
group contains many snapshots.
fcntl::openat and Dir::openat are not the same ;)
Signed-off-by: Fabian Grünbichler <f.gruenbichler@proxmox.com>
use nix::fcntl::{openat, OFlag};
match openat(l2_fd, &manifest_path, OFlag::O_RDONLY, nix::sys::stat::Mode::empty()) {
- Ok(_) => { /* manifest exists --> assume backup was successful */ },
+ Ok(rawfd) => {
+ /* manifest exists --> assume backup was successful */
+ /* close else this leaks! */
+ nix::unistd::close(rawfd)?;
+ },
Err(nix::Error::Sys(nix::errno::Errno::ENOENT)) => { return Ok(()); }
Err(err) => {
bail!("last_successful_backup: unexpected error - {}", err);