ms2k/lazaret
SHA256
Watch
0
Code Releases 3 Activity

Generalize safe host-to-isolated rename migration

Browse source
This commit is contained in:
ms2k 2026-07-29 22:20:04 +09:00
commit 35ab7f17c0
1 changed files with 589 additions and 81 deletions
Download patch file Download diff file Expand all files Collapse all files

17
crates/lazaret-ignored-workspace/src/filesystem/operations.rs
View file

@ -351,7 +351,6 @@ impl Filesystem for IgnoredWorkspace {
if source_entry.backing != destination_backing {
let supported_flags =
flags.is_empty() || flags == FuseRenameFlags::RENAME_NOREPLACE;
let directory = source_entry.stat.st_mode & libc::S_IFMT == libc::S_IFDIR;
if source_entry.backing != Classification::Host
|| destination_backing != Classification::Isolated
{
@ -364,10 +363,13 @@ impl Filesystem for IgnoredWorkspace {
);
return Err(io::Error::from_raw_os_error(libc::EXDEV));
}
if !directory {
if !matches!(
source_entry.stat.st_mode & libc::S_IFMT,
libc::S_IFREG | libc::S_IFDIR | libc::S_IFLNK
) {
let _ = writeln!(
io::stderr().lock(),
"lazaret ignored-workspace refused host-to-isolated migration: source is not a directory"
"lazaret ignored-workspace refused host-to-isolated migration: source type has no copy semantics"
);
return Err(io::Error::from_raw_os_error(libc::EXDEV));
}
@ -388,6 +390,7 @@ impl Filesystem for IgnoredWorkspace {
&provenance,
&source,
&destination,
flags.is_empty(),
)?;
provenance.remove_tree(&source);
return Ok(());
@ -492,6 +495,10 @@ impl Filesystem for IgnoredWorkspace {
_lock_owner: Option<LockOwner>,
reply: ReplyWrite,
) {
let _namespace = self
.namespace
.read()
.unwrap_or_else(std::sync::PoisonError::into_inner);
let result = self.with_file(handle, |open| {
open.migration_quiesced.store(false, Ordering::Release);
let offset = if flags.0 & libc::O_APPEND != 0 {
@ -1005,6 +1012,10 @@ impl Filesystem for IgnoredWorkspace {
reply.error(Errno::EINVAL);
return;
}
let _namespace = self
.namespace
.read()
.unwrap_or_else(std::sync::PoisonError::into_inner);
let files = self
.files
.lock()