FADVISE_COLD_BIT  641 fs/f2fs/f2fs.h #define FADVISE_MODIFIABLE_BITS	(FADVISE_COLD_BIT | FADVISE_HOT_BIT)
FADVISE_COLD_BIT  643 fs/f2fs/f2fs.h #define file_is_cold(inode)	is_file(inode, FADVISE_COLD_BIT)
FADVISE_COLD_BIT  645 fs/f2fs/f2fs.h #define file_set_cold(inode)	set_file(inode, FADVISE_COLD_BIT)
FADVISE_COLD_BIT  647 fs/f2fs/f2fs.h #define file_clear_cold(inode)	clear_file(inode, FADVISE_COLD_BIT)