d_filp 3329 fs/ext4/ext4.h extern int ext4_move_extents(struct file *o_filp, struct file *d_filp, d_filp 553 fs/ext4/move_extent.c ext4_move_extents(struct file *o_filp, struct file *d_filp, __u64 orig_blk, d_filp 557 fs/ext4/move_extent.c struct inode *donor_inode = file_inode(d_filp);