From: Lennart Poettering <lennart@poettering.net>
Date: Fri, 8 Nov 2024 08:21:25 +0000 (+0100)
Subject: fs-util: add comment about XO_NOCOW
X-Git-Tag: v257-rc2~57
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=af3baf174a218cbd54291f0f76d1641c782aad64;p=thirdparty%2Fsystemd.git

fs-util: add comment about XO_NOCOW
---

diff --git a/src/basic/fs-util.c b/src/basic/fs-util.c
index db0a316e6d3..4ede324c34c 100644
--- a/src/basic/fs-util.c
+++ b/src/basic/fs-util.c
@@ -1131,6 +1131,8 @@ int xopenat_full(int dir_fd, const char *path, int open_flags, XOpenFlags xopen_
          *   • If O_CREAT is used with XO_LABEL, any created file will be immediately relabelled.
          *
          *   • If the path is specified NULL or empty, behaves like fd_reopen().
+         *
+         *   • If XO_NOCOW is specified will turn on the NOCOW btrfs flag on the file, if available.
          */
 
         if (isempty(path)) {