From 546a709f202024c8a5173ad372a87ddc1c284c63 Mon Sep 17 00:00:00 2001
From: Eelco Dolstra <eelco.dolstra@logicblox.com>
Date: Thu, 29 Aug 2019 15:04:49 +0200
Subject: daemon: Don't reply on 'st_blocks'.
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Ported by Ludovic Courtès <ludo@gnu.org>
from <https://github.com/NixOS/nix/commit/a2c4fcd5e9782dc8d2998773380c7171ee53b813>.
* nix/libstore/gc.cc (LocalStore::removeUnusedLinks): Use 'st.st_size'
instead of 'st.st_blocks * 512'.
* nix/libutil/util.cc (_deletePath): Likewise.
---
nix/libstore/gc.cc | 9 ++++-----
nix/libutil/util.cc | 2 +-
2 files changed, 5 insertions(+), 6 deletions(-)
(limited to 'nix')
diff --git a/nix/libstore/gc.cc b/nix/libstore/gc.cc
index 310b8792fe..46171e116c 100644
--- a/nix/libstore/gc.cc
+++ b/nix/libstore/gc.cc
@@ -569,9 +569,8 @@ void LocalStore::removeUnusedLinks(const GCState & state)
throw SysError(format("statting `%1%'") % path);
if (st.st_nlink != 1) {
- unsigned long long size = st.st_blocks * 512ULL;
- actualSize += size;
- unsharedSize += (st.st_nlink - 1) * size;
+ actualSize += st.st_size;
+ unsharedSize += (st.st_nlink - 1) * st.st_size;
continue;
}
@@ -580,13 +579,13 @@ void LocalStore::removeUnusedLinks(const GCState & state)
if (unlink(path.c_str()) == -1)
throw SysError(format("deleting `%1%'") % path);
- state.results.bytesFreed += st.st_blocks * 512;
+ state.results.bytesFreed += st.st_size;
}
struct stat st;
if (stat(linksDir.c_str(), &st) == -1)
throw SysError(format("statting `%1%'") % linksDir);
- long long overhead = st.st_blocks * 512ULL;
+ long long overhead = st.st_size;
printMsg(lvlInfo, format("note: currently hard linking saves %.2f MiB")
% ((unsharedSize - actualSize - overhead) / (1024.0 * 1024.0)));
diff --git a/nix/libutil/util.cc b/nix/libutil/util.cc
index 768e12b5e4..9a83876013 100644
--- a/nix/libutil/util.cc
+++ b/nix/libutil/util.cc
@@ -309,7 +309,7 @@ static void _deletePath(const Path & path, unsigned long long & bytesFreed)
struct stat st = lstat(path);
if (!S_ISDIR(st.st_mode) && st.st_nlink == 1)
- bytesFreed += st.st_blocks * 512;
+ bytesFreed += st.st_size;
if (S_ISDIR(st.st_mode)) {
/* Make the directory writable. */
--
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