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diff -urpN a/modules/linux/vmsync/sync.c b/modules/linux/vmsync/sync.c
--- a/modules/linux/vmsync/sync.c 2012-08-01 19:02:59.000000000 -0700
+++ b/modules/linux/vmsync/sync.c 2012-10-14 07:38:18.000000000 -0700
@@ -162,7 +162,11 @@ VmSyncThawDevices(void *_state) // IN
cancel_delayed_work(&state->thawTask);
list_for_each_safe(cur, tmp, &state->devices) {
dev = list_entry(cur, VmSyncBlockDevice, list);
+#if LINUX_VERSION_CODE >= KERNEL_VERSION(3, 6, 0)
+ if (dev->sb != NULL && dev->sb->s_writers.frozen != SB_UNFROZEN) {
+#else
if (dev->sb != NULL && dev->sb->s_frozen != SB_UNFROZEN) {
+#endif
thaw_bdev(dev->bdev, dev->sb);
atomic_dec(&gFreezeCount);
}
@@ -237,7 +241,11 @@ VmSyncAddPath(const VmSyncState *state,
* the superblock is already frozen.
*/
if (inode->i_sb->s_bdev == NULL ||
+#if LINUX_VERSION_CODE >= KERNEL_VERSION(3, 6, 0)
+ inode->i_sb->s_writers.frozen != SB_UNFROZEN) {
+#else
inode->i_sb->s_frozen != SB_UNFROZEN) {
+#endif
result = (inode->i_sb->s_bdev == NULL) ? -EINVAL : -EALREADY;
compat_path_release(&nd);
goto exit;
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