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copy_file_range support #245

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TPolzer opened this issue Apr 14, 2020 · 3 comments
Open

copy_file_range support #245

TPolzer opened this issue Apr 14, 2020 · 3 comments
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good-idea Good idea that's likely to happen type:enhancement

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@TPolzer
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TPolzer commented Apr 14, 2020

Would it be possible to support copy_file_range? That could potentially speed up file copies enormously for filesystems that are copy on write or remote.

https://libfuse.github.io/doxygen/structfuse__operations.html#a8dab2194663f561ef7db54de2ca35694
@tv42
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tv42 commented Apr 14, 2020

FUSE_COPY_FILE_RANGE was added in protocol 7.28, we're currently stuck around 7.12 because last I looked, OSXFUSE didn't support 7.20 (macfuse/macfuse#155) and then both the OSXFUSE upstream and Apple turned hostile to open source (#224).

This will likely get done after dropping macOS support. Which is pretty much going to bring out the mobs with torches, but no maintainers...

@tv42 tv42 added good-idea Good idea that's likely to happen type:enhancement labels Apr 14, 2020
@paralin
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paralin commented Nov 19, 2021

Since MacOS support was dropped, could this be added?

@tv42
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tv42 commented Nov 19, 2021

Need to check what FreeBSD is up to, but yes, we should be able to bring the protocol up now a lot more easily than writing lots of conditionals and alternate versions of types.

tv42 added a commit that referenced this issue Dec 10, 2022
@tv42
Prepare for FUSE protocol 7.28: Opcodes for CopyFileRange
dd1ff79 
`CopyFileRange` support is tracked at
<#245>.
tv42 added a commit that referenced this issue Dec 10, 2022
@tv42
Upgrade to FUSE protocol 7.28
f2ae989 
`CopyFileRange` support is tracked at
<#245>.

Set `OpenCacheDir` in `Open` to cache directory contents.

`MaxPages` support is tracked at
<#293>.

Pass `CacheSymlinks` as mount option to cache symlink contents.
@labulakalia labulakalia mentioned this issue Dec 31, 2023
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@tv42 @paralin @TPolzer