Upgrade to 4.4.50-rt62

[kvmfornfv.git] / kernel / fs / ext4 / truncate.h

diff --git a/kernel/fs/ext4/truncate.h b/kernel/fs/ext4/truncate.h
index 011ba66..c70d06a 100644 (file)
--- a/kernel/fs/ext4/truncate.h
+++ b/kernel/fs/ext4/truncate.h
@@ -10,8 +10,10 @@
  */
 static inline void ext4_truncate_failed_write(struct inode *inode)
 {
+       down_write(&EXT4_I(inode)->i_mmap_sem);
        truncate_inode_pages(inode->i_mapping, inode->i_size);
        ext4_truncate(inode);
+       up_write(&EXT4_I(inode)->i_mmap_sem);
 }
 
 /*