433 static ssize_t ceph_sync_read(struct kiocb *iocb, struct iov_iter *i,  in ceph_sync_read()  argument
436 	struct file *file = iocb->ki_filp;  in ceph_sync_read()
439 	u64 off = iocb->ki_pos;  in ceph_sync_read()
460 	if (iocb->ki_flags & IOCB_DIRECT) {  in ceph_sync_read()
510 	if (off > iocb->ki_pos) {  in ceph_sync_read()
511 		ret = off - iocb->ki_pos;  in ceph_sync_read()
512 		iocb->ki_pos = off;  in ceph_sync_read()
560 ceph_sync_direct_write(struct kiocb *iocb, struct iov_iter *from, loff_t pos)  in ceph_sync_direct_write()  argument
562 	struct file *file = iocb->ki_filp;  in ceph_sync_direct_write()
662 		iocb->ki_pos = pos;  in ceph_sync_direct_write()
677 ceph_sync_write(struct kiocb *iocb, struct iov_iter *from, loff_t pos)  in ceph_sync_write()  argument
679 	struct file *file = iocb->ki_filp;  in ceph_sync_write()
794 		iocb->ki_pos = pos;  in ceph_sync_write()
806 static ssize_t ceph_read_iter(struct kiocb *iocb, struct iov_iter *to)  in ceph_read_iter()  argument
808 	struct file *filp = iocb->ki_filp;  in ceph_read_iter()
820 	     inode, ceph_vinop(inode), iocb->ki_pos, (unsigned)len, inode);  in ceph_read_iter()
831 	    (iocb->ki_flags & IOCB_DIRECT) ||  in ceph_read_iter()
835 		     inode, ceph_vinop(inode), iocb->ki_pos, (unsigned)len,  in ceph_read_iter()
840 			ret = ceph_sync_read(iocb, to, &retry_op);  in ceph_read_iter()
846 		     inode, ceph_vinop(inode), iocb->ki_pos, (unsigned)len,  in ceph_read_iter()
849 		ret = generic_file_read_iter(iocb, to);  in ceph_read_iter()
882 			if (iocb->ki_pos < i_size &&  in ceph_read_iter()
883 			    iocb->ki_pos < PAGE_CACHE_SIZE) {  in ceph_read_iter()
885 						   iocb->ki_pos + len);  in ceph_read_iter()
890 						iocb->ki_pos & ~PAGE_MASK,  in ceph_read_iter()
891 						end - iocb->ki_pos, to);  in ceph_read_iter()
892 				iocb->ki_pos += ret;  in ceph_read_iter()
895 			if (iocb->ki_pos < i_size && read < len) {  in ceph_read_iter()
897 						    i_size - iocb->ki_pos);  in ceph_read_iter()
899 				iocb->ki_pos += ret;  in ceph_read_iter()
907 		if (retry_op == CHECK_EOF && iocb->ki_pos < i_size &&  in ceph_read_iter()
910 			     ", reading more\n", iocb->ki_pos,  in ceph_read_iter()
936 static ssize_t ceph_write_iter(struct kiocb *iocb, struct iov_iter *from)  in ceph_write_iter()  argument
938 	struct file *file = iocb->ki_filp;  in ceph_write_iter()
956 	err = generic_write_checks(iocb, from);  in ceph_write_iter()
960 	pos = iocb->ki_pos;  in ceph_write_iter()
998 	    (iocb->ki_flags & IOCB_DIRECT) || (fi->flags & CEPH_F_SYNC)) {  in ceph_write_iter()
1003 		if (iocb->ki_flags & IOCB_DIRECT)  in ceph_write_iter()
1004 			written = ceph_sync_direct_write(iocb, &data, pos);  in ceph_write_iter()
1006 			written = ceph_sync_write(iocb, &data, pos);  in ceph_write_iter()
1028 			iocb->ki_pos = pos + written;  in ceph_write_iter()