From: Leesoo Ahn <lsahn@ooseel.net>
Date: Sat, 26 Mar 2022 12:09:05 +0000 (+0900)
Subject: utils: add fastpath routine on mkdir_p function
X-Git-Tag: lxc-5.0.0~25^2
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=refs%2Fpull%2F4098%2Fhead;p=thirdparty%2Flxc.git

utils: add fastpath routine on mkdir_p function

Call 'access' to examine whether 'dir' is already existed or not instead
of directly calling 'mkdir' on each dir name separated by slash '/' even though
'dir' is existed.

Signed-off-by: Leesoo Ahn <lsahn@ooseel.net>
---

diff --git a/src/lxc/utils.c b/src/lxc/utils.c
index b2cfb865d..4acb10585 100644
--- a/src/lxc/utils.c
+++ b/src/lxc/utils.c
@@ -218,6 +218,9 @@ int mkdir_p(const char *dir, mode_t mode)
 	const char *tmp = dir;
 	const char *orig = dir;
 
+	if (access(dir, F_OK) != -1)
+		return 0;
+
 	do {
 		__do_free char *makeme = NULL;
 		int ret;