[CRIU] [PATCH] Get rid of " (deleted)" in symlink pathnames

[Saied Kazemi]

The kernel (see fs/dcache.c) appends the string " (deleted)" to a deleted
dentry pathname.  We need to remove the string when reading a symlink
that contains it (e.g., symlinks in /proc/<pid>/map_files).

Signed-off-by: Saied Kazemi <saied at google.com>
---
 util.c | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/util.c b/util.c
index e91f3fe..3fe5b6f 100644
--- a/util.c
+++ b/util.c
@@ -471,6 +471,15 @@ int read_fd_link(int lfd, char *buf, size_t size)
 	}
 	buf[ret] = 0;
 
+	/*
+	 * For a deleted dentry, we need to strip off " (deleted)" that
+	 * the kernel has appended to the pathname.
+	 */
+	if (ret > 10 && !strcmp(&buf[ret - 10], " (deleted)")) {
+		ret -= 10;
+		buf[ret] = 0;
+	}
+
 	return ret;
 }
 
-- 
2.2.0.rc0.207.ga3a616c