forked from pool/systemd
37 lines
1.1 KiB
Diff
37 lines
1.1 KiB
Diff
|
From 70421bdce2719d76efffd8afdc28433c75aac5a2 Mon Sep 17 00:00:00 2001
|
||
|
|
From: Lennart Poettering <lennart@poettering.net>
|
||
|
|
Date: Mon, 18 Aug 2014 23:15:51 +0200
|
||
|
|
Subject: [PATCH] util: try to be a bit more NFS compatible when checking
|
||
|
|
whether an FS is writable
|
||
|
|
|
||
|
|
https://bugs.freedesktop.org/show_bug.cgi?id=81169
|
||
|
|
---
|
||
|
|
src/shared/path-util.c | 11 ++++++++++-
|
||
|
|
1 file changed, 10 insertions(+), 1 deletion(-)
|
||
|
|
|
||
|
|
diff --git src/shared/path-util.c src/shared/path-util.c
|
||
|
|
index 57554cd..67566bc 100644
|
||
|
|
--- src/shared/path-util.c
|
||
|
|
+++ src/shared/path-util.c
|
||
|
|
@@ -533,7 +533,16 @@ int path_is_read_only_fs(const char *path) {
|
||
|
|
if (statvfs(path, &st) < 0)
|
||
|
|
return -errno;
|
||
|
|
|
||
|
|
- return !!(st.f_flag & ST_RDONLY);
|
||
|
|
+ if (st.f_flag & ST_RDONLY)
|
||
|
|
+ return true;
|
||
|
|
+
|
||
|
|
+ /* On NFS, statvfs() might not reflect whether we can actually
|
||
|
|
+ * write to the remote share. Let's try again with
|
||
|
|
+ * access(W_OK) which is more reliable, at least sometimes. */
|
||
|
|
+ if (access(path, W_OK) < 0 && errno == EROFS)
|
||
|
|
+ return true;
|
||
|
|
+
|
||
|
|
+ return false;
|
||
|
|
}
|
||
|
|
|
||
|
|
int path_is_os_tree(const char *path) {
|
||
|
|
--
|
||
|
|
1.7.9.2
|
||
|
|
|