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ksud: shrink image before resize

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weishu
2024-01-30 12:56:42 +08:00
parent cce423a2f6
commit ca960a2a8f
1 changed files with 11 additions and 0 deletions
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11
userspace/ksud/src/module.rs
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@@ -387,6 +387,16 @@ fn _install_module(zip: &str) -> Result<()> {
// legacy image, truncate it to new size. // legacy image, truncate it to new size.
if std::fs::metadata(modules_img)?.len() < sparse_image_size { if std::fs::metadata(modules_img)?.len() < sparse_image_size {
println!("- Truncate legacy image to new size"); println!("- Truncate legacy image to new size");
// shrink it to minimum size
check_image(tmp_module_img)?;
Command::new("resize2fs")
.arg("-M")
.arg(tmp_module_img)
.stdout(Stdio::piped())
.status()?;
// truncate the file to new size
OpenOptions::new() OpenOptions::new()
.write(true) .write(true)
.open(tmp_module_img) .open(tmp_module_img)
@@ -394,6 +404,7 @@ fn _install_module(zip: &str) -> Result<()> {
.set_len(sparse_image_size) .set_len(sparse_image_size)
.context("Failed to truncate ext4 image")?; .context("Failed to truncate ext4 image")?;
// resize the image to new size
check_image(tmp_module_img)?; check_image(tmp_module_img)?;
Command::new("resize2fs") Command::new("resize2fs")
.arg(tmp_module_img) .arg(tmp_module_img)