util-lib: move more file I/O related calls into fileio.[ch]

src/import/export-raw.c

@@ -29,6 +29,7 @@
 #include "copy.h"
 #include "export-raw.h"
 #include "fd-util.h"
+#include "fileio.h"
 #include "import-common.h"
 #include "ratelimit.h"
 #include "string-util.h"

src/import/export-tar.c

@@ -24,6 +24,7 @@
 #include "btrfs-util.h"
 #include "export-tar.h"
 #include "fd-util.h"
+#include "fileio.h"
 #include "import-common.h"
 #include "process-util.h"
 #include "ratelimit.h"

src/import/import-raw.c

@@ -27,6 +27,7 @@
 #include "btrfs-util.h"
 #include "copy.h"
 #include "fd-util.h"
+#include "fileio.h"
 #include "hostname-util.h"
 #include "import-common.h"
 #include "import-compress.h"

src/import/import-tar.c

@@ -27,6 +27,7 @@
 #include "btrfs-util.h"
 #include "copy.h"
 #include "fd-util.h"
+#include "fileio.h"
 #include "hostname-util.h"
 #include "import-common.h"
 #include "import-compress.h"

src/import/pull-dkr.c

@@ -28,6 +28,7 @@
 #include "btrfs-util.h"
 #include "curl-util.h"
 #include "fd-util.h"
+#include "fileio.h"
 #include "hostname-util.h"
 #include "import-common.h"
 #include "import-util.h"

src/import/pull-raw.c

@@ -29,6 +29,7 @@
 #include "copy.h"
 #include "curl-util.h"
 #include "fd-util.h"
+#include "fileio.h"
 #include "hostname-util.h"
 #include "import-common.h"
 #include "import-util.h"

src/import/pull-tar.c

@@ -28,6 +28,7 @@
 #include "copy.h"
 #include "curl-util.h"
 #include "fd-util.h"
+#include "fileio.h"
 #include "hostname-util.h"
 #include "import-common.h"
 #include "import-util.h"