diff options
| -rw-r--r-- | nix/libstore/gc.cc | 20 |
1 files changed, 16 insertions, 4 deletions
diff --git a/nix/libstore/gc.cc b/nix/libstore/gc.cc index 77d7fa2dc7..8bc4e01eb0 100644 --- a/nix/libstore/gc.cc +++ b/nix/libstore/gc.cc @@ -581,15 +581,27 @@ void LocalStore::removeUnusedLinks(const GCState & state) #ifdef HAVE_STATX # define st_size stx_size # define st_nlink stx_nlink + static int statx_flags = AT_SYMLINK_NOFOLLOW | AT_STATX_DONT_SYNC; struct statx st; - if (statx(AT_FDCWD, path.c_str(), - AT_SYMLINK_NOFOLLOW | AT_STATX_DONT_SYNC, - STATX_SIZE | STATX_NLINK, &st) == -1) + + if (statx(AT_FDCWD, path.c_str(), statx_flags, + STATX_SIZE | STATX_NLINK, &st) == -1) { + if (errno == EINVAL) { + /* Old 3.10 kernels (CentOS 7) don't support + AT_STATX_DONT_SYNC, so try again without it. */ + statx_flags &= ~AT_STATX_DONT_SYNC; + if (statx(AT_FDCWD, path.c_str(), statx_flags, + STATX_SIZE | STATX_NLINK, &st) == -1) + throw SysError(format("statting `%1%'") % path); + } else { + throw SysError(format("statting `%1%'") % path); + } + } #else struct stat st; if (lstat(path.c_str(), &st) == -1) -#endif throw SysError(format("statting `%1%'") % path); +#endif if (st.st_nlink != 1) { actualSize += st.st_size; |