497 static ssize_t ceph_sync_read(struct kiocb *iocb, struct iov_iter *i,  in ceph_sync_read()  argument
500 	struct file *file = iocb->ki_filp;  in ceph_sync_read()
503 	u64 off = iocb->ki_pos;  in ceph_sync_read()
524 	if (iocb->ki_flags & IOCB_DIRECT) {  in ceph_sync_read()
573 	if (off > iocb->ki_pos) {  in ceph_sync_read()
574 		ret = off - iocb->ki_pos;  in ceph_sync_read()
575 		iocb->ki_pos = off;  in ceph_sync_read()
623 ceph_sync_direct_write(struct kiocb *iocb, struct iov_iter *from, loff_t pos,  in ceph_sync_direct_write()  argument
626 	struct file *file = iocb->ki_filp;  in ceph_sync_direct_write()
724 		iocb->ki_pos = pos;  in ceph_sync_direct_write()
739 ceph_sync_write(struct kiocb *iocb, struct iov_iter *from, loff_t pos,  in ceph_sync_write()  argument
742 	struct file *file = iocb->ki_filp;  in ceph_sync_write()
855 		iocb->ki_pos = pos;  in ceph_sync_write()
867 static ssize_t ceph_read_iter(struct kiocb *iocb, struct iov_iter *to)  in ceph_read_iter()  argument
869 	struct file *filp = iocb->ki_filp;  in ceph_read_iter()
881 	     inode, ceph_vinop(inode), iocb->ki_pos, (unsigned)len, inode);  in ceph_read_iter()
892 	    (iocb->ki_flags & IOCB_DIRECT) ||  in ceph_read_iter()
896 		     inode, ceph_vinop(inode), iocb->ki_pos, (unsigned)len,  in ceph_read_iter()
901 			ret = ceph_sync_read(iocb, to, &retry_op);  in ceph_read_iter()
907 		     inode, ceph_vinop(inode), iocb->ki_pos, (unsigned)len,  in ceph_read_iter()
910 		ret = generic_file_read_iter(iocb, to);  in ceph_read_iter()
943 			if (iocb->ki_pos < i_size &&  in ceph_read_iter()
944 			    iocb->ki_pos < PAGE_CACHE_SIZE) {  in ceph_read_iter()
946 						   iocb->ki_pos + len);  in ceph_read_iter()
951 						iocb->ki_pos & ~PAGE_MASK,  in ceph_read_iter()
952 						end - iocb->ki_pos, to);  in ceph_read_iter()
953 				iocb->ki_pos += ret;  in ceph_read_iter()
956 			if (iocb->ki_pos < i_size && read < len) {  in ceph_read_iter()
958 						    i_size - iocb->ki_pos);  in ceph_read_iter()
960 				iocb->ki_pos += ret;  in ceph_read_iter()
968 		if (retry_op == CHECK_EOF && iocb->ki_pos < i_size &&  in ceph_read_iter()
971 			     ", reading more\n", iocb->ki_pos,  in ceph_read_iter()
997 static ssize_t ceph_write_iter(struct kiocb *iocb, struct iov_iter *from)  in ceph_write_iter()  argument
999 	struct file *file = iocb->ki_filp;  in ceph_write_iter()
1022 	if (iocb->ki_flags & IOCB_APPEND) {  in ceph_write_iter()
1028 	err = generic_write_checks(iocb, from);  in ceph_write_iter()
1032 	pos = iocb->ki_pos;  in ceph_write_iter()
1070 	    (iocb->ki_flags & IOCB_DIRECT) || (fi->flags & CEPH_F_SYNC)) {  in ceph_write_iter()
1090 		if (iocb->ki_flags & IOCB_DIRECT)  in ceph_write_iter()
1091 			written = ceph_sync_direct_write(iocb, &data, pos,  in ceph_write_iter()
1094 			written = ceph_sync_write(iocb, &data, pos, snapc);  in ceph_write_iter()
1117 			iocb->ki_pos = pos + written;  in ceph_write_iter()