From 7738a72186583afb3bb2e0a866c8aba130372400 Mon Sep 17 00:00:00 2001 From: Ludovic Courtès Date: Tue, 26 Nov 2019 23:35:24 +0100 Subject: daemon: GC remove-unused-links phase uses 'statx' when available. * config-daemon.ac: Check for 'statx'. * nix/libstore/gc.cc (LocalStore::removeUnusedLinks) [HAVE_STATX]: Use 'statx' instead of 'lstat'. --- nix/libstore/gc.cc | 11 +++++++++++ 1 file changed, 11 insertions(+) (limited to 'nix/libstore') diff --git a/nix/libstore/gc.cc b/nix/libstore/gc.cc index 7976ff7d76..29b75aa875 100644 --- a/nix/libstore/gc.cc +++ b/nix/libstore/gc.cc @@ -570,8 +570,17 @@ void LocalStore::removeUnusedLinks(const GCState & state) if (name == "." || name == "..") continue; Path path = linksDir + "/" + name; +#ifdef HAVE_STATX +# define st_size stx_size +# define st_nlink stx_nlink + struct statx st; + if (statx(AT_FDCWD, path.c_str(), + AT_SYMLINK_NOFOLLOW | AT_STATX_DONT_SYNC, + STATX_SIZE | STATX_NLINK, &st) == -1) +#else struct stat st; if (lstat(path.c_str(), &st) == -1) +#endif throw SysError(format("statting `%1%'") % path); if (st.st_nlink != 1) { @@ -586,6 +595,8 @@ void LocalStore::removeUnusedLinks(const GCState & state) throw SysError(format("deleting `%1%'") % path); state.results.bytesFreed += st.st_size; +#undef st_size +#undef st_nlink } struct stat st; -- cgit 1.4.1