FI_OPU_WRITE
is_inode_flag_set(inode, FI_OPU_WRITE))
if (file_is_cold(inode) && !is_inode_flag_set(inode, FI_OPU_WRITE))
if (is_inode_flag_set(inode, FI_OPU_WRITE))
set_inode_flag(inode, FI_OPU_WRITE);
clear_inode_flag(inode, FI_OPU_WRITE);
set_inode_flag(inode, FI_OPU_WRITE);
clear_inode_flag(inode, FI_OPU_WRITE);
!is_inode_flag_set(inode, FI_OPU_WRITE))