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container/initoverlay: configure via fsconfig

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This works around the page size limit at the cost of negligible performance regressions.

Closes #34.

Signed-off-by: Ophestra <cat@gensokyo.uk>
This commit is contained in:
Ophestra
2026-05-04 02:07:52 +09:00
parent 024489e800
commit da11b26ec1
11 changed files with 124 additions and 91 deletions
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5
container/dispatcher.go
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@@ -65,6 +65,8 @@ type syscallDispatcher interface {
remount(msg message.Msg, target string, flags uintptr) error
// mountTmpfs provides mountTmpfs.
mountTmpfs(fsname, target string, flags uintptr, size int, perm os.FileMode) error
// mountOverlay provides mountOverlay.
mountOverlay(target string, options [][2]string) error
// ensureFile provides ensureFile.
ensureFile(name string, perm, pperm os.FileMode) error
// mustLoopback provides mustLoopback.
@@ -169,6 +171,9 @@ func (direct) remount(msg message.Msg, target string, flags uintptr) error {
func (k direct) mountTmpfs(fsname, target string, flags uintptr, size int, perm os.FileMode) error {
return mountTmpfs(k, fsname, target, flags, size, perm)
}
func (k direct) mountOverlay(target string, options [][2]string) error {
return mountOverlay(target, options)
}
func (direct) ensureFile(name string, perm, pperm os.FileMode) error {
return ensureFile(name, perm, pperm)
}