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Preallocate some space when expanding size in ramfs

This commit is contained in:
Yuke Peng 2024-09-19 16:56:42 +08:00 committed by Tate, Hongliang Tian
parent 9a79ecbcbe
commit 550eafcb79
1 changed files with 2 additions and 1 deletions
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3
kernel/src/fs/ramfs/fs.rs
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@ -5,6 +5,7 @@ use core::{
time::Duration,
};
use align_ext::AlignExt;
use aster_block::bio::BioWaiter;
use aster_rights::Full;
use aster_util::slot_vec::SlotVec;
@ -614,7 +615,7 @@ impl Inode for RamInode {
let new_size = offset + write_len;
let should_expand_size = new_size > file_size;
if should_expand_size {
page_cache.resize(new_size)?;
page_cache.resize(new_size.align_up(BLOCK_SIZE))?;
}
page_cache.pages().write(offset, reader)?;