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Optimize the page cache within a RamInode

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This commit is contained in:
Shaowei Song
2024-09-14 06:45:51 +00:00
committed by Tate, Hongliang Tian
parent 44629e4627
commit f194514100
1 changed files with 5 additions and 1 deletions
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6
kernel/src/fs/ramfs/fs.rs
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@ -519,7 +519,11 @@ impl RamInode {
impl PageCacheBackend for RamInode { impl PageCacheBackend for RamInode {
fn read_page_async(&self, _idx: usize, frame: &Frame) -> Result<BioWaiter> { fn read_page_async(&self, _idx: usize, frame: &Frame) -> Result<BioWaiter> {
// Initially, any block/page in a RamFs inode contains all zeros // Initially, any block/page in a RamFs inode contains all zeros
frame.writer().fill(0); frame
.writer()
.to_fallible()
.fill_zeros(frame.size())
.unwrap();
Ok(BioWaiter::new()) Ok(BioWaiter::new())
} }