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another leftover for linux

This commit is contained in:
NikVolf 2016-12-14 21:26:03 +01:00
parent 92ea916e04
commit f7b4f72f7d
1 changed files with 0 additions and 25 deletions
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25
db/src/kvdb.rs
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@ -6,12 +6,6 @@ use elastic_array::*;
use std::default::Default;
use rocksdb::{DB, Writable, WriteBatch, WriteOptions, IteratorMode, DBIterator,
Options, DBCompactionStyle, BlockBasedOptions, Cache, Column, ReadOptions};
#[cfg(target_os = "linux")]
use regex::Regex;
#[cfg(target_os = "linux")]
use std::process::Command;
#[cfg(target_os = "linux")]
use std::fs::File;
use std::collections::HashMap;
use byteorder::{LittleEndian, ByteOrder};
//use std::path::Path;
@ -129,25 +123,6 @@ impl Default for CompactionProfile {
}
}
/// Given output of df command return Linux rotational flag file path.
#[cfg(target_os = "linux")]
pub fn rotational_from_df_output(df_out: Vec<u8>) -> Option<PathBuf> {
str::from_utf8(df_out.as_slice())
.ok()
// Get the drive name.
.and_then(|df_str| Regex::new(r"/dev/(sd[:alpha:]{1,2})")
.ok()
.and_then(|re| re.captures(df_str))
.and_then(|captures| captures.at(1)))
// Generate path e.g. /sys/block/sda/queue/rotational
.map(|drive_path| {
let mut p = PathBuf::from("/sys/block");
p.push(drive_path);
p.push("queue/rotational");
p
})
}
impl CompactionProfile {
/// Default profile suitable for SSD storage