--- a/fs/fat/file.c~fat-use-io_schedule_timeout-instead-of-congestion_wait +++ a/fs/fat/file.c @@ -175,9 +175,10 @@ long fat_generic_ioctl(struct file *filp static int fat_file_release(struct inode *inode, struct file *filp) { if ((filp->f_mode & FMODE_WRITE) && - MSDOS_SB(inode->i_sb)->options.flush) { + MSDOS_SB(inode->i_sb)->options.flush) { fat_flush_inodes(inode->i_sb, inode, NULL); - congestion_wait(BLK_RW_ASYNC, HZ/10); + set_current_state(TASK_UNINTERRUPTIBLE); + io_schedule_timeout(HZ/10); } return 0; }