[Libguestfs] [PATCH 2/5] labels: move e2label to ext2.c and call it locally

Chen Hanxiao chenhanxiao at cn.fujitsu.com
Wed Jul 8 03:07:48 UTC 2015


Signed-off-by: Chen Hanxiao <chenhanxiao at cn.fujitsu.com>
---
 daemon/daemon.h |  1 +
 daemon/ext2.c   | 29 +++++++++++++++++++++++------
 daemon/labels.c | 24 +-----------------------
 3 files changed, 25 insertions(+), 29 deletions(-)

diff --git a/daemon/daemon.h b/daemon/daemon.h
index 783d739..0731b09 100644
--- a/daemon/daemon.h
+++ b/daemon/daemon.h
@@ -224,6 +224,7 @@ extern int sync_disks (void);
 #define EXT2_LABEL_MAX 16
 extern int fstype_is_extfs (const char *fstype);
 extern int ext_set_uuid_random (const char *device);
+extern int ext_set_label (const char *device, const char *label);
 
 /*-- in blkid.c --*/
 extern char *get_blkid_tag (const char *device, const char *tag);
diff --git a/daemon/ext2.c b/daemon/ext2.c
index e8d2655..7bb1221 100644
--- a/daemon/ext2.c
+++ b/daemon/ext2.c
@@ -38,6 +38,7 @@ GUESTFSD_EXT_CMD(str_resize2fs, resize2fs);
 GUESTFSD_EXT_CMD(str_mke2fs, mke2fs);
 GUESTFSD_EXT_CMD(str_lsattr, lsattr);
 GUESTFSD_EXT_CMD(str_chattr, chattr);
+GUESTFSD_EXT_CMD(str_e2label, e2label);
 
 /* https://bugzilla.redhat.com/show_bug.cgi?id=978302#c1 */
 int
@@ -123,14 +124,30 @@ do_tune2fs_l (const char *device)
 }
 
 int
+ext_set_label (const char *device, const char *label)
+{
+  int r;
+  CLEANUP_FREE char *err = NULL;
+
+  if (strlen (label) > EXT2_LABEL_MAX) {
+    reply_with_error ("%s: ext2 labels are limited to %d bytes",
+                      label, EXT2_LABEL_MAX);
+    return -1;
+  }
+
+  r = command (NULL, &err, str_e2label, device, label, NULL);
+  if (r == -1) {
+    reply_with_error ("%s", err);
+    return -1;
+  }
+
+  return 0;
+}
+
+int
 do_set_e2label (const char *device, const char *label)
 {
-  const mountable_t mountable = {
-    .type = MOUNTABLE_DEVICE,
-    .device = /* not really ... */ (char *) device,
-    .volume = NULL,
-  };
-  return do_set_label (&mountable, label);
+  return ext_set_label (device, label);
 }
 
 char *
diff --git a/daemon/labels.c b/daemon/labels.c
index eec5b96..1fadba4 100644
--- a/daemon/labels.c
+++ b/daemon/labels.c
@@ -28,7 +28,6 @@
 #include "optgroups.h"
 
 GUESTFSD_EXT_CMD(str_dosfslabel, dosfslabel);
-GUESTFSD_EXT_CMD(str_e2label, e2label);
 GUESTFSD_EXT_CMD(str_ntfslabel, ntfslabel);
 GUESTFSD_EXT_CMD(str_xfs_admin, xfs_admin);
 
@@ -48,27 +47,6 @@ dosfslabel (const char *device, const char *label)
 }
 
 static int
-e2label (const char *device, const char *label)
-{
-  int r;
-  CLEANUP_FREE char *err = NULL;
-
-  if (strlen (label) > EXT2_LABEL_MAX) {
-    reply_with_error ("%s: ext2 labels are limited to %d bytes",
-                      label, EXT2_LABEL_MAX);
-    return -1;
-  }
-
-  r = command (NULL, &err, str_e2label, device, label, NULL);
-  if (r == -1) {
-    reply_with_error ("%s", err);
-    return -1;
-  }
-
-  return 0;
-}
-
-static int
 ntfslabel (const char *device, const char *label)
 {
   int r;
@@ -135,7 +113,7 @@ do_set_label (const mountable_t *mountable, const char *label)
     r = dosfslabel (mountable->device, label);
 
   else if (fstype_is_extfs (vfs_type))
-    r = e2label (mountable->device, label);
+    r = ext_set_label (mountable->device, label);
 
   else if (STREQ (vfs_type, "ntfs"))
     r = ntfslabel (mountable->device, label);
-- 
2.1.0




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