--- c38ec163da6ccba00a0146c75606c1b548b31343
+++ 62f857c284dd06161b14887c3588dd1c5ed0cf72
@@ -18,6 +18,10 @@
 #include <linux/backing-dev.h>
 #include "internal.h"
 
+#ifdef CONFIG_DYNAMIC_FSYNC
+extern bool early_suspend_active;
+#endif
+
 #define VALID_FLAGS (SYNC_FILE_RANGE_WAIT_BEFORE|SYNC_FILE_RANGE_WRITE| \
 			SYNC_FILE_RANGE_WAIT_AFTER)
 
@@ -87,7 +91,7 @@ static void sync_one_sb(struct super_blo
  * Sync all the data for all the filesystems (called by sys_sync() and
  * emergency sync)
  */
-static void sync_filesystems(int wait)
+void sync_filesystems(int wait)
 {
 	iterate_supers(sync_one_sb, &wait);
 }
@@ -165,6 +169,12 @@ SYSCALL_DEFINE1(syncfs, int, fd)
  */
 int vfs_fsync_range(struct file *file, loff_t start, loff_t end, int datasync)
 {
+#ifdef CONFIG_DYNAMIC_FSYNC
+	if (!early_suspend_active)
+		return 0;
+	else {
+#endif
+
 	struct address_space *mapping = file->f_mapping;
 	int err, ret;
 
@@ -187,6 +197,9 @@ int vfs_fsync_range(struct file *file, l
 
 out:
 	return ret;
+#ifdef CONFIG_DYNAMIC_FSYNC
+	}
+#endif
 }
 EXPORT_SYMBOL(vfs_fsync_range);
 
@@ -219,11 +232,21 @@ static int do_fsync(unsigned int fd, int
 
 SYSCALL_DEFINE1(fsync, unsigned int, fd)
 {
+#ifdef CONFIG_DYNAMIC_FSYNC
+	if (!early_suspend_active)
+		return 0;
+	else
+#endif
 	return do_fsync(fd, 0);
 }
 
 SYSCALL_DEFINE1(fdatasync, unsigned int, fd)
 {
+#ifdef CONFIG_DYNAMIC_FSYNC
+	if (!early_suspend_active)
+		return 0;
+	else
+#endif
 	return do_fsync(fd, 1);
 }
 
@@ -294,6 +317,12 @@ EXPORT_SYMBOL(generic_write_sync);
 SYSCALL_DEFINE(sync_file_range)(int fd, loff_t offset, loff_t nbytes,
 				unsigned int flags)
 {
+#ifdef CONFIG_DYNAMIC_FSYNC
+	if (!early_suspend_active)
+		return 0;
+	else {
+#endif
+
 	int ret;
 	struct file *file;
 	struct address_space *mapping;
@@ -373,6 +402,9 @@ out_put:
 	fput_light(file, fput_needed);
 out:
 	return ret;
+#ifdef CONFIG_DYNAMIC_FSYNC
+	}
+#endif
 }
 #ifdef CONFIG_HAVE_SYSCALL_WRAPPERS
 asmlinkage long SyS_sync_file_range(long fd, loff_t offset, loff_t nbytes,
@@ -389,6 +421,11 @@ SYSCALL_ALIAS(sys_sync_file_range, SyS_s
 SYSCALL_DEFINE(sync_file_range2)(int fd, unsigned int flags,
 				 loff_t offset, loff_t nbytes)
 {
+#ifdef CONFIG_DYNAMIC_FSYNC
+	if (!early_suspend_active)
+		return 0;
+	else
+#endif
 	return sys_sync_file_range(fd, offset, nbytes, flags);
 }
 #ifdef CONFIG_HAVE_SYSCALL_WRAPPERS