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-rw-r--r--src/shared/path-util.c11
1 files changed, 10 insertions, 1 deletions
diff --git a/src/shared/path-util.c b/src/shared/path-util.c
index 57554cd294..67566bc76b 100644
--- a/src/shared/path-util.c
+++ b/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) {