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doc: need for u64 conversion allow

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This commit is contained in:
Christian Schwarz
2023-03-31 08:57:46 +02:00
parent d8248dc13d
commit 75e22a244d
1 changed files with 8 additions and 4 deletions
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12
pageserver/src/statvfs.rs
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@@ -7,6 +7,10 @@ pub enum Statvfs {
Mock(mock::Statvfs),
}
// NB: on macOS, the block count type of struct statvfs is u32.
// The workaround seems to be to use the non-standard statfs64 call.
// Sincce it should only be a problem on > 2TiB disks, let's ignore
// the problem for now and upcast to u64.
impl Statvfs {
pub fn get(tenants_dir: &Path, mocked: Option<&mock::Behavior>) -> nix::Result<Self> {
if let Some(mocked) = mocked {
@@ -16,6 +20,7 @@ impl Statvfs {
}
}
// NB: allow() because the block count type is u32 on macOS.
#[allow(clippy::useless_conversion)]
pub fn blocks(&self) -> u64 {
match self {
@@ -24,6 +29,7 @@ impl Statvfs {
}
}
// NB: allow() because the block count type is u32 on macOS.
#[allow(clippy::useless_conversion)]
pub fn blocks_available(&self) -> u64 {
match self {
@@ -32,18 +38,16 @@ impl Statvfs {
}
}
#[allow(clippy::useless_conversion)]
pub fn fragment_size(&self) -> u64 {
match self {
Statvfs::Real(stat) => u64::try_from(stat.fragment_size()).unwrap(),
Statvfs::Real(stat) => stat.fragment_size(),
Statvfs::Mock(stat) => stat.fragment_size,
}
}
#[allow(clippy::useless_conversion)]
pub fn block_size(&self) -> u64 {
match self {
Statvfs::Real(stat) => u64::try_from(stat.block_size()).unwrap(),
Statvfs::Real(stat) => stat.block_size(),
Statvfs::Mock(stat) => stat.block_size,
}
}