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fix realmfs resize calculation bug on update + add e2fsck prior to ext4 resize

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dma 2019-05-14 11:07:32 -04:00 committed by Bruce Leidl
parent 7d89c47eb2
commit f02a9ab4c5
1 changed files with 9 additions and 2 deletions
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11
libcitadel/src/realmfs/resizer.rs
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@ -10,6 +10,7 @@ const BLOCK_SIZE: usize = 4096;
const BLOCKS_PER_MEG: usize = (1024 * 1024) / BLOCK_SIZE;
const BLOCKS_PER_GIG: usize = 1024 * BLOCKS_PER_MEG;
const E2FSCK: &str = "e2fsck";
const RESIZE2FS: &str = "resize2fs";
// If less than 1gb remaining space
@ -90,10 +91,14 @@ impl <'a> ImageResizer<'a> {
ImageResizer::resize_image_file(self.image.path(), new_nblocks)?;
if let Some(open_loop) = self.notify_open_loops()? {
info!("Running e2fsck {:?}", open_loop);
cmd!(E2FSCK,"{} {} {}","-f","-p",open_loop.device().display())?;
info!("Running resize2fs {:?}", open_loop);
cmd!(RESIZE2FS, "{}", open_loop.device().display())?;
} else {
LoopDevice::with_loop(self.image.path(), Some(4096), false, |loopdev| {
info!("Running e2fsck {:?}", loopdev);
cmd!(E2FSCK,"{} {} {}","-f","-p",loopdev.device().display())?;
info!("Running resize2fs {:?}", loopdev);
cmd!(RESIZE2FS, "{}", loopdev.device().display())?;
Ok(())
@ -140,8 +145,10 @@ impl <'a> ImageResizer<'a> {
sb.free_block_count();
let free_blocks = sb.free_block_count() as usize;
if free_blocks < AUTO_RESIZE_MINIMUM_FREE.nblocks() {
let mask = AUTO_RESIZE_INCREASE_SIZE.nblocks() - 1;
let grow_blocks = (free_blocks + mask) & !mask;
let increase_multiple = realmfs.metainfo_nblocks() / AUTO_RESIZE_INCREASE_SIZE.nblocks();
let grow_size = (increase_multiple + 1) * AUTO_RESIZE_INCREASE_SIZE.nblocks();
let mask = grow_size - 1;
let grow_blocks = (free_blocks + mask) & !mask;
Some(ResizeSize::blocks(grow_blocks))
} else {
None