iterate_bdevs     116 fs/sync.c      	iterate_bdevs(fdatawrite_one_bdev, NULL);
iterate_bdevs     117 fs/sync.c      	iterate_bdevs(fdatawait_one_bdev, NULL);
iterate_bdevs     138 fs/sync.c      	iterate_bdevs(fdatawrite_one_bdev, NULL);
iterate_bdevs     141 fs/sync.c      	iterate_bdevs(fdatawrite_one_bdev, NULL);
iterate_bdevs    2579 include/linux/fs.h extern void iterate_bdevs(void (*)(struct block_device *, void *), void *);