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From: Christian Ebner <c.ebner@proxmox.com>
To: pbs-devel@lists.proxmox.com
Date: Tue, 7 May 2024 17:51:52 +0200
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Subject: [pbs-devel] [PATCH v5 pxar 10/62] encoder: add payload advance
capability
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Allows to advance the payload writer position by a given size.
This is used to update the encoders payload input position when
injecting reused chunks for files with unchanged metadata.
Signed-off-by: Christian Ebner <c.ebner@proxmox.com>
---
changes since version 4:
- no changes
src/encoder/aio.rs | 5 +++++
src/encoder/mod.rs | 6 ++++++
src/encoder/sync.rs | 5 +++++
3 files changed, 16 insertions(+)
diff --git a/src/encoder/aio.rs b/src/encoder/aio.rs
index f817747..e385457 100644
--- a/src/encoder/aio.rs
+++ b/src/encoder/aio.rs
@@ -124,6 +124,11 @@ impl<'a, T: SeqWrite + 'a> Encoder<'a, T> {
.await
}
+ /// Add size to payload stream
+ pub fn advance(&mut self, size: PayloadOffset) -> io::Result<()> {
+ self.inner.advance(size)
+ }
+
/// Create a new subdirectory. Note that the subdirectory has to be finished by calling the
/// `finish()` method, otherwise the entire archive will be in an error state.
pub async fn create_directory<P: AsRef<Path>>(
diff --git a/src/encoder/mod.rs b/src/encoder/mod.rs
index aeaab1d..54258b7 100644
--- a/src/encoder/mod.rs
+++ b/src/encoder/mod.rs
@@ -578,6 +578,12 @@ impl<'a, T: SeqWrite + 'a> EncoderImpl<'a, T> {
Ok(this_offset)
}
+ /// Add size to payload stream
+ pub fn advance(&mut self, size: PayloadOffset) -> io::Result<()> {
+ self.state_mut()?.payload_write_position += size.raw();
+ Ok(())
+ }
+
/// Return a file offset usable with `add_hardlink`.
pub async fn add_symlink(
&mut self,
diff --git a/src/encoder/sync.rs b/src/encoder/sync.rs
index e47f008..bc6430a 100644
--- a/src/encoder/sync.rs
+++ b/src/encoder/sync.rs
@@ -124,6 +124,11 @@ impl<'a, T: SeqWrite + 'a> Encoder<'a, T> {
))
}
+ /// Add size to payload stream
+ pub fn advance(&mut self, size: PayloadOffset) -> io::Result<()> {
+ self.inner.advance(size)
+ }
+
/// Create a new subdirectory. Note that the subdirectory has to be finished by calling the
/// `finish()` method, otherwise the entire archive will be in an error state.
pub fn create_directory<P: AsRef<Path>>(
--
2.39.2
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