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Enable the FUSE writeback cache through go-fuse's ExtraCapabilities #242

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Merged
EdSchouten merged 1 commit into from
Jul 22, 2026
+1 −37
Merged

Enable the FUSE writeback cache through go-fuse's ExtraCapabilities #242

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4 changes: 0 additions & 4 deletions MODULE.bazel
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Original file line number Diff line number Diff line change
Expand Up @@ -95,10 +95,6 @@ go_deps_dev.module_override(
patches = ["@com_github_buildbarn_bb_storage//:patches/com_github_grpc_ecosystem_go_grpc_prometheus/client-metrics-prevent-handled-twice.diff"],
path = "github.com/grpc-ecosystem/go-grpc-prometheus",
)
go_deps_dev.module_override(
patches = ["//:patches/com_github_hanwen_go_fuse_v2/writeback-cache.diff"],
path = "github.com/hanwen/go-fuse/v2",
)
go_deps_dev.module_override(
patches = ["@com_github_buildbarn_bb_storage//:patches/org_golang_x_lint/generic.diff"],
path = "golang.org/x/lint",
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32 changes: 0 additions & 32 deletions patches/com_github_hanwen_go_fuse_v2/writeback-cache.diff
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This file was deleted.

2 changes: 1 addition & 1 deletion pkg/filesystem/virtual/configuration/fuse_mount_enabled.go
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Original file line number Diff line number Diff line change
Expand Up @@ -64,7 +64,7 @@ func (m *fuseMount) Expose(terminationGroup program.Group, rootDirectory virtual
// writes. This means data is only guaranteed to
// make it into the virtual file system after
// calling close()/fsync()/munmap()/msync().
EnableWritebackCache: true,
ExtraCapabilities: go_fuse.CAP_WRITEBACK_CACHE,
// Cap the FUSE asynchronous request queue. When zero,
// go-fuse falls back to its default of 12.
MaxBackground: int(m.configuration.MaximumBackgroundTasks),
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