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Fix a bug in experimental mmap storage

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Igor Katson 2024-05-06 23:02:10 +03:00
parent 3b0987ec23
commit 108ad74464
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2 changed files with 23 additions and 3 deletions
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18
.zed/settings.json Normal file
View file

@ -0,0 +1,18 @@
// Folder-specific settings
//
// For a full list of overridable settings, and general information on folder-specific settings,
// see the documentation: https://zed.dev/docs/configuring-zed#folder-specific-settings
{
"lsp": {
"rust-analyzer": {
"initialization_options": {
"check": {
"command": "clippy" // rust-analyzer.check.command (default: "check")
},
"cargo": {
"features": ["librqbit/storage_middleware"]
}
}
}
}
}

8
crates/librqbit/src/storage/filesystem/mmap.rs
View file

@ -25,9 +25,11 @@ impl StorageFactory for MmapFilesystemStorageFactory {
fn init_storage(&self, meta: &ManagedTorrentInfo) -> anyhow::Result<Self::Storage> {
let fs_storage = FilesystemStorageFactory::default().init_storage(meta)?;
let mut mmaps = Vec::new();
for file in fs_storage.opened_files.iter() {
let mmap = unsafe { MmapOptions::new().map_mut(&*file.file.read()) }
.context("error mapping file")?;
for (idx, file) in fs_storage.opened_files.iter().enumerate() {
let fg = file.file.write();
fg.set_len(meta.file_infos[idx].len)
.context("mmap storage: error setting length")?;
let mmap = unsafe { MmapOptions::new().map_mut(&*fg) }.context("error mapping file")?;
mmaps.push(RwLock::new(mmap));
}