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Add statvfs

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This commit is contained in:
Jeremy Soller 2016-11-18 08:44:03 -07:00
parent 35e9253365
commit 121fb0b781
7 changed files with 16 additions and 7 deletions
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12
kernel/scheme/user.rs
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@ -11,7 +11,7 @@ use context::{self, Context};
use context::memory::Grant;
use scheme::{AtomicSchemeId, ATOMIC_SCHEMEID_INIT, SchemeId};
use sync::{WaitQueue, WaitMap};
use syscall::data::{Packet, Stat};
use syscall::data::{Packet, Stat, StatVfs};
use syscall::error::*;
use syscall::flag::{EVENT_READ, O_NONBLOCK};
use syscall::number::*;
@ -332,7 +332,15 @@ impl Scheme for UserScheme {
fn fstat(&self, file: usize, stat: &mut Stat) -> Result<usize> {
let inner = self.inner.upgrade().ok_or(Error::new(ENODEV))?;
let address = inner.capture_mut(stat)?;
let result = inner.call(SYS_FSTAT, file, address, 0);
let result = inner.call(SYS_FSTAT, file, address, mem::size_of::<Stat>());
let _ = inner.release(address);
result
}
fn fstatvfs(&self, file: usize, stat: &mut StatVfs) -> Result<usize> {
let inner = self.inner.upgrade().ok_or(Error::new(ENODEV))?;
let address = inner.capture_mut(stat)?;
let result = inner.call(SYS_FSTATVFS, file, address, mem::size_of::<StatVfs>());
let _ = inner.release(address);
result
}