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ksud: resize image if it is shrinked

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weishu 2024-03-04 13:50:00 +08:00
parent 3829894d4d
commit c8fc6a0656
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1 changed files with 18 additions and 0 deletions
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18
userspace/ksud/src/module.rs
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@ -12,6 +12,7 @@ use is_executable::is_executable;
use java_properties::PropertiesIter;
use log::{info, warn};
use std::fs::OpenOptions;
use std::{
collections::HashMap,
env::var as env_var,
@ -398,6 +399,23 @@ fn _install_module(zip: &str) -> Result<()> {
} else {
utils::copy_sparse_file(modules_img, tmp_module_img, true)
.with_context(|| "Failed to copy module image".to_string())?;
if std::fs::metadata(tmp_module_img)?.len() < sparse_image_size {
// truncate the file to new size
OpenOptions::new()
.write(true)
.open(tmp_module_img)
.context("Failed to open ext4 image")?
.set_len(sparse_image_size)
.context("Failed to truncate ext4 image")?;
// resize the image to new size
check_image(tmp_module_img)?;
Command::new("resize2fs")
.arg(tmp_module_img)
.stdout(Stdio::piped())
.status()?;
}
}
}