diff --git a/fs/sync.c b/fs/sync.c
index ad7a2715a..a64efeac0 100755
--- a/fs/sync.c
+++ b/fs/sync.c
@@ -8,6 +8,7 @@
 #include <linux/fs.h>
 #include <linux/slab.h>
 #include <linux/export.h>
+#include <linux/module.h>
 #include <linux/namei.h>
 #include <linux/sched/xacct.h>
 #include <linux/writeback.h>
@@ -18,6 +19,9 @@
 #include <linux/backing-dev.h>
 #include "internal.h"
 
+bool fsync_enabled = true;
+module_param(fsync_enabled, bool, 0644);
+
 #define VALID_FLAGS (SYNC_FILE_RANGE_WAIT_BEFORE|SYNC_FILE_RANGE_WRITE| \
 			SYNC_FILE_RANGE_WAIT_AFTER)
 
@@ -162,10 +166,15 @@ void emergency_sync(void)
  */
 SYSCALL_DEFINE1(syncfs, int, fd)
 {
-	struct fd f = fdget(fd);
+	struct fd f;
 	struct super_block *sb;
 	int ret, ret2;
 
+	if (!fsync_enabled)
+		return 0;
+
+	f = fdget(fd);
+
 	if (!f.file)
 		return -EBADF;
 	sb = f.file->f_path.dentry->d_sb;
@@ -195,6 +204,9 @@ int vfs_fsync_range(struct file *file, loff_t start, loff_t end, int datasync)
 {
 	struct inode *inode = file->f_mapping->host;
 
+	if (!fsync_enabled)
+		return 0;
+
 	if (!file->f_op->fsync)
 		return -EINVAL;
 	if (!datasync && (inode->i_state & I_DIRTY_TIME))
@@ -213,15 +225,23 @@ EXPORT_SYMBOL(vfs_fsync_range);
  */
 int vfs_fsync(struct file *file, int datasync)
 {
+	if (!fsync_enabled)
+		return 0;
+
 	return vfs_fsync_range(file, 0, LLONG_MAX, datasync);
 }
 EXPORT_SYMBOL(vfs_fsync);
 
 static int do_fsync(unsigned int fd, int datasync)
 {
-	struct fd f = fdget(fd);
+	struct fd f;
 	int ret = -EBADF;
 
+	if (!fsync_enabled)
+		return 0;
+
+	f = fdget(fd);
+
 	if (f.file) {
 		ret = vfs_fsync(f.file, datasync);
 		fdput(f);
@@ -232,11 +252,17 @@ static int do_fsync(unsigned int fd, int datasync)
 
 SYSCALL_DEFINE1(fsync, unsigned int, fd)
 {
+	if (!fsync_enabled)
+		return 0;
+
 	return do_fsync(fd, 0);
 }
 
 SYSCALL_DEFINE1(fdatasync, unsigned int, fd)
 {
+	if (!fsync_enabled)
+		return 0;
+
 	return do_fsync(fd, 1);
 }
 
@@ -248,6 +274,9 @@ int sync_file_range(struct file *file, loff_t offset, loff_t nbytes,
 	loff_t endbyte;			/* inclusive */
 	umode_t i_mode;
 
+	if (!fsync_enabled)
+		return 0;
+
 	ret = -EINVAL;
 	if (flags & ~VALID_FLAGS)
 		goto out;