From: Michael Tremer <michael.tremer@ipfire.org>
Date: Mon, 5 Sep 2022 16:24:49 +0000 (+0000)
Subject: archive: Tell the kernel that we will read the file sequentially
X-Git-Tag: 0.9.28~322
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=a8e1aacb13d1399760be2949c63ff81a2403e822;p=pakfire.git

archive: Tell the kernel that we will read the file sequentially

Signed-off-by: Michael Tremer <michael.tremer@ipfire.org>
---

diff --git a/src/libpakfire/archive.c b/src/libpakfire/archive.c
index a48cbbc21..62499943b 100644
--- a/src/libpakfire/archive.c
+++ b/src/libpakfire/archive.c
@@ -19,6 +19,7 @@
 #############################################################################*/
 
 #include <errno.h>
+#include <fcntl.h>
 #include <stdlib.h>
 #include <string.h>
 #include <sys/types.h>
@@ -608,6 +609,13 @@ static int pakfire_archive_try_open(struct pakfire_archive* archive, const char*
 	if (!archive->f)
 		return 1;
 
+	// Let the kernel know, that we will read the file sequentially
+	r = posix_fadvise(fileno(archive->f), 0, 0, POSIX_FADV_SEQUENTIAL);
+	if (r) {
+		ERROR(archive->pakfire, "posix_fadvise() failed: %m\n");
+		goto ERROR;
+	}
+
 	// Call stat() on f
 	r = fstat(fileno(archive->f), &archive->stat);
 	if (r) {