general/occlum
4
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Fix the issue about fsync on hostfs's dir

Browse Source 
There are no sync methods about untrusted dir, so we do nothing.
This commit is contained in:
LI Qing 2022-07-12 17:52:55 +08:00 committed by volcano
parent 016ef88535
commit 1dc2b517fc
2 changed files with 25 additions and 6 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

8
src/libos/src/fs/hostfs.rs
View File

@ -125,16 +125,24 @@ impl INode for HNode {
}
fn sync_all(&self) -> Result<()> {
if self.path.is_file() {
let mut guard = self.open_file()?;
let file = guard.as_mut().unwrap();
try_std!(file.sync_all());
} else {
warn!("no sync_all method about dir, do nothing");
}
Ok(())
}
fn sync_data(&self) -> Result<()> {
if self.path.is_file() {
let mut guard = self.open_file()?;
let file = guard.as_mut().unwrap();
try_std!(file.sync_data());
} else {
warn!("no sync_data method about dir, do nothing");
}
Ok(())
}

11
test/hostfs/main.c
View File

@ -213,6 +213,7 @@ static int test_truncate() {
static int test_mkdir_then_rmdir() {
const char *dir_path = "/host/hostfs_dir";
struct stat stat_buf;
int dir_fd;
if (mkdir(dir_path, 00775) < 0) {
THROW_ERROR("failed to create the dir");
@ -224,6 +225,16 @@ static int test_mkdir_then_rmdir() {
THROW_ERROR("failed to check if it is dir");
}
dir_fd = open(dir_path, O_RDONLY | O_DIRECTORY);
if (dir_fd < 0) {
THROW_ERROR("failed to open dir");
}
if (fsync(dir_fd) < 0) {
THROW_ERROR("failed to fsync dir");
}
close(dir_fd);
if (rmdir(dir_path) < 0) {
THROW_ERROR("failed to remove the created dir");
}