3 files changed, 8 insertions, 0 deletions

diff --git a/fs/ext4/ext4.h b/fs/ext4/ext4.h
index b0ea70cc94db..1b0c17364631 100644
--- a/fs/ext4/ext4.h
+++ b/fs/ext4/ext4.h
@@ -270,6 +270,7 @@ static inline __u32 ext4_mask_flags(umode_t mode, __u32 flags)
 #define EXT4_STATE_NEW                  0x00000002 /* inode is newly created */
 #define EXT4_STATE_XATTR                0x00000004 /* has in-inode xattrs */
 #define EXT4_STATE_NO_EXPAND            0x00000008 /* No space for expansion */
+#define EXT4_STATE_DA_ALLOC_CLOSE       0x00000010 /* Alloc DA blks on close */
 
 /* Used to pass group descriptor data when online resize is done */
 struct ext4_new_group_input {
diff --git a/fs/ext4/file.c b/fs/ext4/file.c
index f731cb545a03..06df8272c639 100644
--- a/fs/ext4/file.c
+++ b/fs/ext4/file.c
@@ -33,6 +33,10 @@
  */
 static int ext4_release_file(struct inode *inode, struct file *filp)
 {
+        if (EXT4_I(inode)->i_state & EXT4_STATE_DA_ALLOC_CLOSE) {
+                ext4_alloc_da_blocks(inode);
+                EXT4_I(inode)->i_state &= ~EXT4_STATE_DA_ALLOC_CLOSE;
+        }
         /* if we are the last writer on the inode, drop the block reservation */
         if ((filp->f_mode & FMODE_WRITE) &&
                         (atomic_read(&inode->i_writecount) == 1))
diff --git a/fs/ext4/inode.c b/fs/ext4/inode.c
index 8dd3d5de5861..80ed6dc9c9d2 100644
--- a/fs/ext4/inode.c
+++ b/fs/ext4/inode.c
@@ -3901,6 +3901,9 @@ void ext4_truncate(struct inode *inode)
         if (!ext4_can_truncate(inode))
                 return;
 
+        if (inode->i_size == 0)
+                ei->i_state |= EXT4_STATE_DA_ALLOC_CLOSE;
+
         if (EXT4_I(inode)->i_flags & EXT4_EXTENTS_FL) {
                 ext4_ext_truncate(inode);
                 return;